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`Oumuamua-Related Publications by Avi Loeb   (with clickable links in reverse chronological order)      Harvard logo

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Scientific Papers

*Hoang, T., & Loeb, A. ``Implications of Evaporative Cooling by H2 for 1I/`Oumuamua '', The Astrophysical Journal Letters (2020).

*"On the Possibility of an Artificial Origin for `Oumuamua", Astrobiology (October 19, 2021)

*Siraj, A., & Loeb, A. ``The Mass Budget Necessary to Explain `Oumuamua as a Nitrogen Iceberg'', The Astrophysical Journal Letters (2020).

*Siraj, A., & Loeb, A. ``Observable Signatures of the Ejection Speed of Interstellar Objects from their Birth Systems'', The Astrophysical Journal Letters (2020).

*Hoang, T., & Loeb, A. ``Destruction of Molecular Hydrogen Ice and Implications for `Oumuamua'', The Astrophysical Journal Letters (2020).

*Hoang, T., & Loeb, A. ``Detectability of Thermal Emission from Sub-Relativistic Objects'', The Astrophysical Journal Letters (2020).

*Sheerin, T.F., & Loeb, A. ``Could 1I/2017 U1 'Oumuamua Be a Solar Sail Hybrid?'', JBIS (2020).

*Lingam, M., & Loeb, A. ``Propulsion of Spacecrafts to Relativistic Speeds Using Natural Astrophysical Sources'', The Astrophysical Journal (2020).

*Siraj, A., & Loeb, A. ``Observational Signatures of Sub-Relativistic Meteors'', Astrophysical Journal Letters (2020).

*Siraj, A., & Loeb, A. ``Transfer of Life by Earth-Grazing Objects to Exoplanetary Systems'', Astrophysical Journal Letters (2020).

*Lingam, M., Ginsburg I. & Loeb, A. ``Prospects for Life on Temperate Planets around Brown Dwarfs'', The Astrophysical Journal (2020).

*Ginsburg, I., Lingam, M. & Loeb, A. "Galactic Panspermia", JCAP (2019).

*Siraj, A., & Loeb, A. ``Exporting Terrestrial Life Out of the Solar System with Gravitational Slingshots of Earthgrazing Bodies'', International Journal of Astrobiology (2019).

*Siraj, A., & Loeb, A. ``Detecting Interstellar Objects through Stellar Occultations'', The Astrophysical Journal (2019).

*Siraj, A., & Loeb, A. ``An Argument for a Kilometer-Scale Nucleus of C/2019 Q4'', Reasearch Notes of the American Astronomical Society (2019).

*Lingam, A., & Loeb, A. ``Brown Dwarf Atmospheres as the Potentially Most Detectable and Abundant Sites for Life'', The Astrophysical Journal (2019).

*Siraj, A., & Loeb, A. ``Radio Flares from Collisions of Neutron Stars with Interstellar Asteroids'', Reasearch Notes of the American Astronomical Society (2019).

*Siraj, A., & Loeb, A. ``A Real-Time Search for Interstellar Impact on the Moon'', Acta Astronautica (2019).

*Lingam, M., & Loeb, A. ``Searching the Moon for Extrasolar Material and the Building Blocks of Extraterrestrial Life'', Publications of the National Academy of Sciences (2019).

*Siraj, A., & Loeb, A. ``Probing Extrasolar Planetary Systems With Interstellar Meteors'', Astrophysical Journal Letters (2019).

*Siraj, A., & Loeb, A. ``Discovery of a Meteor of Interstellar Origin'', Astrophysical Journal Letters (2019).

*Siraj, A., & Loeb, A. ``Oumuamua's Geometry Could Be More Extreme than Previously Inferred'', Research Notes of the American Astronomical Society (2019).

*Forbes, J., & Loeb, A. ``Turning up the Heat on `Oumuamua'', Astrophysical Journal Letters (2019).

*Siraj, A., & Loeb, A. ``Identifying Interstellar Objects Trapped in the Solar System through Their Orbital Parameters'', Astrophysical Journal Letters (2019).

*Bialy, S., & Loeb, A. ``Could Solar Radiation Pressure Explain `Oumumua's Peculiar Acceleration?'', Astrophysical Journal Letters (2018).

*Ginsburg, I., Lingam, M., & Loeb, A. ``Galactic Panspermia'', The Astrophysical Journal (2018).

*Hoang, T., Loeb, A., Lazarian, A., & Cho, J. ``Spinup and Disruption of Interstellar Asteroids by Mechanical Torques, and Implications for 1I/2017 U1 (`Oumuamua)'', The Astrophysical Journal (2018).

*Lingam, M., & Loeb, A. ``Implications of Captured Interstellar Objects for Panspermia and Extraterrestrial Life'', The Astrophysical Journal (2018).

*Lingam, M., & Loeb, A. ``Natural and Artificial Spectral Edges in Exoplanets'', Monthly Notices of the Royal Astronomical Society (2017).

*Manchester, Z., & Loeb, A. ``Stability of a Light Sail Riding on a Laser Beam'', The Astrophysical Journal Letters (2017).

*Hoang, T., & Loeb, A. ``Electromagnetic Forces on a Relativistic Spacecraft in the Interstellar Medium'', The Astrophysical Journal (2017).

*Hoang, T., Lazarian, A., Burkhart, B. & Loeb, A. ``The Interaction of Relativistic Spacecrafts with the Interstellar Medium'', The Astrophysical Journal (2017).

*Lingam, M., & Loeb, A. "Fast Radio Bursts from Extragalactic Light Sails", The Astrophysical Journal Letters (2017).

*Guillochon, J., & Loeb, A. ``SETI via Leakage from Light Sails in Exoplanetary Systems'', The Astrophysical Journal (2016).

*Lin, H. W., Gonzalez Abad, G., & Loeb, A. "Detecting Industrial Pollution in the Atmospheres of Earth-like Exoplanets", The Astrophysical Journal Letters (2014).

*Loeb, A., & Turner, E. L. ``Detection Technique for Artificially Illuminated Objects in the Outer Solar System and Beyond'', Astrobiology (2012).

*Moro-Martin, A., Turner, E. L. & Loeb, A. ``Will the Large Synoptic Survey Telescope Detect Extra-Solar Planetesimals Entering the Solar System?'', The Astrophysical Journal (2009).

*Loeb, A., & Zaldarriaga, M. ``Eavesdropping on radio broadcasts from galactic civilizations with upcoming observatories for redshifted 21 cm radiation '', Journal of Cosmology and Astroparticle Physics (2007).

Essays (all single-authored by Loeb)

*"The Rocket Effect on Earth", Medium (November 17, 2023)

*"Keep Your Inspiration from the Stars!", Medium (November 12, 2023)

*"The Sun is Charged!", Medium (November 5, 2023)

*"Interstellar Affairs Are Not the Pentagon's Day Job", Medium (November 1, 2023)

*"Is God an Advanced Scientist", Medium (October 19, 2023)

*"Interstellar Meteors from Disruption of Rocky Planets by Dwarf Stars", Medium (October 11, 2023)

*"Can Our Civilization Rise-Up to Win the Cosmos Award?", Medium (October 6, 2023)

*"The Lavish Rainbow of Human Expressions", Medium (October 1, 2023)

*"Loneliness is Pointless", Medium (September 16, 2023)

*"The Lavish Rainbow of Human Expressions", Medium (October 1, 2023)

*"A Piece of Sky", Medium (September 9, 2023)

*"Seeking a Higher Intelligence", Medium (August 8, 2023)

*"The One Thing that Senators, Scientists and Artists Agree On!", Medium (July 17, 2023)

*"We Are All in the Same Boat", Medium (July 16, 2023)

*"A Harvest of 92 New Spherules in One Day", Medium (July 14, 2023)

*"A Billion Year Delivery by FedEx", Medium (July 11, 2023)

*"Corroded Iron and Volcanic Debris in IM1's Path", Medium (June 19, 2023)

*"The Multiple Groups of UAP Studies Within Government", Medium (June 5, 2023)

*"Terrestrial Relics from Non-Human Spacecraft", Medium (June 5, 2023)

*"An Interstellar Twist to Human History", Medium (June 4, 2023)

*"Breaking News: We Are Not the Smartest!", Medium (June 2, 2023)

*"NASA, AARO and the Galileo Project Agree on the Need for Scientific Study of UAP", Medium (May 31, 2023)

*"The Horizon for Intergalactic Travel", Medium (May 19, 2023)

*"On the Benefits of Systematic Versus Anecdotal Evidence", Medium (May 12, 2023)

*"Chasing `Oumuamua", Medium (May 8, 2023)

*"Space Trash in Our Cosmic Neighborhood", Medium (May 7, 2023)

*"A Play About Life Beyond Earth", Medium (May 5, 2023)

*"Our Survival in the Milky Way", Medium (April 29, 2023)

*"The Density of What Matters in the Universe", Medium (April 26, 2023)

*"The State of the Universe", Medium (April 23, 2023)

*"Elon Musk is Wrong About Aliens!", Medium (April 21, 2023)

*"Fellows of the Galileo Project", Medium (April 21, 2023)

*"Afterthoughts on the Second UAP Senate Hearing", Medium (April 19, 2023)

*"The Shots Heard Round the World", Medium (April 18, 2023)

*"Tracking Extraterrestrial Packages with AI", Medium (April 16, 2023)

*"Reflections of a Farm Boy: "From Farm to Table" Science", Medium (April 14, 2023)

*"Extraterrestrials Offer Benefits, Not an Existential Risk", Medium (April 10, 2023)

*"Planetary Defense Warning Stations", Medium (April 8, 2023)

*"The Cosmos is Different from Our Backyard", Medium (April 4, 2023)

*"Overcoming Our Auriga Moments", Medium (April 2, 2023)

*"Dating Interstellar Objects with the Webb Space Telescope", Medium (March 30, 2023)

*"Knowledge is Strength: Extraordinary Evidence Requires Extraordinary Funding", Medium (March 29, 2023)

*"`Oumuamua Was Not a Hydrogen-Water Iceberg", Medium (March 23, 2023)

*"Is `Oumuamua a Hydrogen-Water Iceberg?", Medium (March 22, 2023)

*"Open-Minded AI", Medium (March 17, 2023)

*"Science is an Infinite Box of Chocolates", Medium (March 15, 2023)

*"Interstellar Interpretation of Plato's Cave Allegory", Medium (March 13, 2023)

*"A Gift from a Silver Star", Medium (March 9, 2023)

*"Do Technological Civilizations Self-Destruct or Self-Replicate", Medium (March 2, 2023)

*"Can A.I. Reproduce Human Creativity?", Medium (February 21, 2023)

*"Wishing to Be a Museum Item on an Exo-Planet", Medium (February 19, 2023)

*"Interstellar Romance", Medium (February 18, 2022)

*"The Existential Risk from Fast Bullets During Interstellar Travel", Medium (February 5, 2023)

*"Searching for Partners Around the Milky Way", Medium (February 2, 2023)

*"Interstellar Objects from Broken Dyson Spheres", Medium (January 29, 2023)

*"What Constitutes a Miracle?", Medium (January 24, 2023)

*"Imagine Interstellar", Medium (January 22, 2023)

*"Trading Disruptive Science for Imagined Realities", Medium (January 20, 2023)

*"The Next Copernican Revolution", Medium (December 20, 2022)

*"Our Interstellar Blessing: Live Long and Prosper!", Medium (December 19, 2022)

*"Allowing for the Unexpected in an Interstellar Date", Medium (December 16, 2022)

*"On an Artificial Origin for `Oumuamua", Astrobiology (December 14, 2022)

*"A Million CubeSats in Our Backyard", Medium (December 10, 2022)

*"Cast Your Craft on Interstellar Waters", Medium (December 5, 2022)

*"Confluence of Natural and Artificial Intelligences", Medium (November 28, 2022)

*"The Side Academy", Medium (November 26, 2022)

*"Are City Lights Still on Around White Dwarfs?", Medium (November 18, 2022)

*"What Makes Us Human?", Medium (November 14, 2022)

*"The Proper Way to Swipe Left and Right", Medium (November 12, 2022)

*"Let It Be ... An Intelligent Signal", Medium (November 7, 2022)

*"Nerds May Save Humanity", Medium (November 6, 2022)

*"What Happens in Vegas Does Not Stay in Vegas", Medium (November 3, 2022)

*"For the Love of Evidence", Medium (October 30, 2022)

*"From Simplicity to Complexity and Back", Medium (October 27, 2022)

*"A New Calculation on the Fly to the NASA UAP Study", Medium (October 24, 2022)

*"Hazards and Benefits of Interstellar Travel", Medium (October 20, 2022)

*"Gravitational Propulsion", Medium (October 20, 2022)

*"Near Earth Probes (NEPs)", Medium (October 18, 2022)

*"Seeds from an Interstellar Dandelion", Medium (October 17, 2022)

*"Lost Civilizations from Our Cosmic Past", Medium (October 13, 2022)

*"A Word of Torah About Extraterrestrials", Medium (October 11, 2022)

*"When Visiting the Jungle, We Are Likely to See Animals", Medium (October 9, 2022)

*"Rogue Planets", Medium (October 3, 2022)

*"Permanent Climate Change on Habitable Planets", Medium (October 2, 2022)

*"Do Astronomers Exist on Other Habotable Planets?", Medium (September 30, 2022)

*"An Extraterrestrial Resolution to the Absurdity of Life", Medium (September 28, 2022)

*"Understanding Ourselves Thanks to Sentient AI Systems", Medium (September 27, 2022)

*"The unfamiliar Nature of Interstellar Objects", Medium (September 22, 2022)

*"Discovery of a Second Interstellar Meteor: Meter-Size Interstellar Objects Are Much Tougher than Solar System Rocks!", Medium (September 20, 2022)

*"Low-Hanging Fruits of Extraterrestrial Civilizations", Medium (September 11, 2022)

*"A Meeting with `Oumuamua at the Venice Film Festival", Medium (September 3, 2022)

*"Advice to Young People", Medium (August 31, 2022)

*"You and It", Medium (August 29, 2022)

*"Exploring the Unknown", Medium (August 28, 2022)

*"Interstellar Dating", Medium (August 26, 2022)

*"The Genius in Our Interstellar Class", Medium (August 25, 2022)

*"The Last Year in the Life of a Star", Medium (August 24, 2022)

*"What is Real?", Medium (August 22, 2022)

*"Messages Carried by Ripples in Space and Time", Medium (August 20, 2022)

*"Gifts of Active Galactic Nuclei", Medium (August 18, 2022)

*"Wish Upon a Star", Medium (August 16, 2022)

*"What Came First: the Astro-Chicken or the Egg?", Medium (August 14, 2022)

*"Rising Above the Noise", Medium (August 11, 2022)

*"The Enigmatic Universe", Medium (August 10, 2022)

*"Fixing Our Worldview With Scientific Knowledge", Medium (August 4, 2022)

*"Interstellar Archaeology", Medium (August 4, 2022)

*"Our Cosmic Roots Suggest Humility", Medium (July 31, 2022)

*"What Doesn't Kill You, Makes You Stronger", Medium (July 28, 2022)

*"What's in a Name?", Medium (July 22, 2022)

*"Nature Could Be Simple", Medium (July 20, 2022)

*"First Year of the Galileo Project", Medium (July 20, 2022)

*"The Bright Side of the Moon", Medium (July 17, 2022)

*"Webb's Deepest Insight: Time is of the Essence", Medium (July 13, 2022)

*"Interstellar Artifacts", Medium (July 9, 2022)

*"The New Eyes and Brain of the Galileo Project", Medium (July 7, 2022)

*"The Sunrise Ritual", Medium (July 5, 2022)

*"Quantum Gravity Engineers", Medium (June 29, 2022)

*"Will Humanity Be Saved by Deus Ex Machina?", Medium (June 27, 2022)

*"Galileo Would Have Been Proud of Our Project", Medium (June 25, 2022)

*"Recalculating Academia", Medium (June 22, 2021)

*"Three Unsung Heroes from Our Cosmic Past", Medium (June 20, 2022)

*"Survival of the Optimist", Medium (June 15, 2022)

*"Could UAP Have Kinship to Our AI Systems", Medium (June 14, 2022)

*"Imitation is the Sincerest Form of Flattery", Medium (June 11, 2022)

*"The Bliss of an Academic Family", Medium (June 9, 2022)

*"The Beginner's Mind of Machine Learning", Medium (June 4, 2022)

*"Technological Selection in the Race to Interstellar Space", Medium (June 2, 2022)

*"Quantum Tunneling of Dark Matter", Medium (May 31, 2022)

*"With Age Comes Wisdom", Medium (May 29, 2022)

*"The Trading Card of Human Civilization", Medium (May 25, 2022)

*"Galactic Kites", Medium (May 21, 2022)

*"Thoughts About the First Congressional Hearing on Unidentified Objects in Half a Century", Medium (May 18, 2022)

*"Alleviating the Tyranny of the Rocket Equation", Medium (May 15, 2022)

*"Pushing the Frontiers of Science with Government Data", Medium (May 11, 2022)

*"Fishing In Extraterrestrial Seas", Medium (May 6, 2022)

*"Cherish Those Junior Moments", Medium (May 3, 2022)

*"How To Guide Our Life?", Medium (May 1, 2022)

*"The Memory Effect", Medium (April 25, 2022)

*"The New Horizons Meteor", Medium (April 22, 2022)

*"The First Interstellar Meteor Had a Larger Material Strength Thank Iron Meteorites", Medium (April 18, 2022)

*"Scooping Interstellar Fragments from the Ocean Floor", Medium (April 13, 2022)

*"Announcing the Closest and Farthest Objects from Outside Our Cosmic Neighborhood on the Same Week", Medium (April 7, 2022)

*"How Bright Can a Source in the Sky Be?", Medium (April 2, 2022)

*"The Scientific Method", Medium (March 31, 2022)

*"What is Missing in Academia?", Medium (March 28, 2022)

*"What is Dark Matter?", Medium (March 23, 2022)

*"The Silence of Snow", Medium (March 20, 2022)

*"The Substitute for the Drake Equation in Extraterrestrial Space Archaeology", Medium (March 16, 2022)

*"The First Interstellar Meteor", Medium (March 10, 2022)

*"Intelligent Communication", Medium (March 8, 2022)

*"Communicating with Extraterrestrials", Medium (March 6, 2022)

*"Life Under the Ice", Medium (February 26, 2022)

*"What Do the Best Scientists in the Milky Way Know?", Medium (February 23, 2022)

*"Milky-Way Gifts to Life Expectancy", Medium (February 20, 2022)

*"Mind the Gap: Cosmic Stoicism", Medium (February 16, 2022)

*"Our Biggest Global Challenge", The Hill (February 14, 2022)

*"Stellar Engines", The Debrief (February 9, 2022)

*"City Lights on Other Planets", The DeBrief (February 2, 2022)

*"Two Choices in Space Exploration", The Hill (January 27, 2022)

*"Can We Find UAP from Above?", The Hill (January 24, 2022)

*"Life Lessons After Sixty Years", Medium (January 24, 2022)

*"Identifying the Unidentified", The DeBrief (January 21, 2022)

*"An Interview in the Metaverse", The Hill (January 18, 2022)

*"Can Intelligence be Digitized?", Medium (January 17, 2022)

*"Extraordinary Evidence Requires Extraordinary Funding", The DeBrief (January 11, 2022)

*"Are We Investing Trillions on What Matters?", The Hill (January 8, 2022)

*"Virtual Realities May Solve Fermi's Paradox About Extraterrestrials", The Hill (January 5, 2022)

*"Looking Through the Window", Medium (January 2, 2022)

*"Reinvigorating the UAP Legacy of Senator Harry Reid", The Hill (January 1, 2022)

*"We Need Scientific Analysis of Satellite Data on UAP", The Hill (December 27, 2021)

*"Fishing in Interstellar Space", The DeBrief (December 26, 2021)

*"Against the Wind", Medium (December 22, 2021)

*"Virtual Reality Makes Us Egotistical and Science Demands Humility", The Bebrief (December 22, 2021)

*"The Tricky Reality of Reality", Medium (December 17, 2021)

*"Dating the Next `Oumuamua", The Bebrief (December 14, 2021)

*"Choosing Risks and Looking for ET", Medium (December 10, 2021)

*"Risk Assessment in Mainstream Science", The Hill (December 8, 2021)

*"The Fly on the Wall of My Porch", The Bebrief (November 30, 2021)

*"AI-Scientists May Usher In a Bright Future in the Search for Extraterrestrial Intelligence", The Bebrief (November 24, 2021)

*"When Did Life Start in the Universe?", Scientific American (November 24, 2021)

*"Space Exploration and Spirituality", Medium (November 21, 2021)

*"Why Science and Religion Come Together When Discussing Extraterrestrial Life", The Hill (November 18, 2021)

*"Should We Trust Our Future AI Scientists?", Medium (November 16, 2021)

*"Extraterrestrials and Religion", Medium (November 14, 2021)

*"Attention to Anomalies", Inference (November 12, 2021)

*"Everything You Need to Know About the Galileo Project", Medium (November 7, 2021)

*"Our Universe Inspires Modesty, Curiosity and Calm", Medium (November 5, 2021)

*"Our Future in Space", Medium (November 2, 2021)

*"Let Many Flowers Bloom in Space", Medium (October 27, 2021)

*"Our Avatars in Space", Medium (October 25, 2021)

*"Following Our Childood Curiosity", Scientific American (October 18, 2021)

*"Protocol for Contact with Extraterrestrial Equipment", Scientific American (October 17, 2021)

*"Was Our Universe Created in a Laboratory?", Scientific American (October 15, 2021)

*"Searching for Anomalies", Medium (October 14, 2021)

*"A.I. Astronauts from Advanced Civilizations", Scientific American (October 11, 2021)

*"When Did Life Start In The Universe?", Scientific American (October 8, 2021)

*"Be Kind to Extraterrestrial Guests", Medium (October 5, 2021)

*"Microbes, Natural Intelligence and Artificial Intelligence", Scientific American (October 2, 2021)

*"Our Ego Trip In The Cosmos", Medium (September 29, 2021)

*"The Play Is Note About Us", Medium (September 27, 2021)

*"How To Search for Life As We Don't Know It"?", Scientific American (September 26, 2021)

*"Rising Above the Rubble", Medium (September 24, 2021)

*"Imagination Is Not a Consequence of Formal Education", Medium (September 21, 2021)

*"The Next Sunrise Will Look Different", Medium (September 20, 2021)

*"Astronomers Should Be Willing to Look at Weird Objects on the Sky", Scientific American (August 19, 2021)

*"Will Autonomous AI Systems Replace Astronauts?", Medium (September 17, 2021)

*"Note to Branson and Bezos: Extraterrestrials Will Not Be Impressed", Scientific American (September 15, 2021)

*"The `Adults In The Room' Could Be Scientists", Medium (September 14, 2021)

*"A Sermon About Extraterrestrials", Medium (September 14, 2021)

*"Interstellar Monuments", Scientific American (August 28, 2021)

*"Some `Defenders' of Science Might Actually Be Hurting It", Scientific American (August 22, 2021)

*"When Will We Hear From Extraterrestrials?", Scientific American (August 15, 2021)

*"To Look or Not To Look: That is the Question!", Scientific American (August 4, 2021)

*"To Understand UAP We Need Megapixel Imagery", Scientific American (August 2, 2021)

*"Announcing a New Plan for Solving the Mystery of Unidentified Aerial Phenomena", Scientific American (July 26, 2021)

*"How to Tell if Extraterrestrial Visitors are Friend or Foe?", Scientific American (July 12, 2021)

*"How Humanity Can Earn the Respect of Extraterrestrials", Scientific American (July 3, 2021)

*"Why Is Anomalous Evidence So Unpopular?", Scientific American (June 28, 2021)

*"Scientists Should Identify the Unidentified in the Pentagon Report", The Hill (June 25, 2021)

*"What We Can Learn from Studying UFOs", Scientific American (June 24, 2021)

*"A Possible Link Between Oumuamua and Unidentified Aerial Phenomena", Scientific American (June 22, 2021)

*"How to Detect Heat from Extraterrestrial Probes in Our Solar System", Scientific American (June 17, 2021)

*"Searching for City Lights On Other Planets", Scientific American (June 13, 2021)

*"Death By a Primordial Black Hole", Scientific American (June 6, 2021)

*"Defenses That Hurt Science", Scientific American (June 4, 2021)

*"Creative Thinking in both Science and the Arts is not for the Faint of Heart", Scientific American (June 3, 2021)

*"A Fresh Approach to SETI", Book Chapter (June 1, 2021)

*"Maybe Dark Matter Is More Thank One Thing", Scientific American (May 30, 2021)

*"What To Do When Extraterrestrials Show Up?", Boston Globe (May 28, 2021)

*"How to Avoid a Cosmic Catastrophe", Scientific American (May 23, 2021)

*"When Scientific Orthodoxy Resembles Religious Dogma", Scientific American (May 17, 2021)

*"Stars that Race Through Space at Nearly the Speed of Light", Scientific American (May 1, 2021)

*"What To Do When ETs Show Up?", The Hill (May 4, 2021)

*"Scientists Should Never Stop Being Students/", Scientific American (April 23, 2021)

*"How Much Time Does Humanity Have Left?", Scientific American (April 20, 2021)

*"What Should We Do If Extraterrestrials Show Up?", Scientific American (April 15, 2021)

*"When Did Life First Emerge in the Universe?", Scientific American (April 4, 2021)

*"How To Photograph a Possible Alien Artifact", Scientific American (March 22, 2021)

*"Was the Interstellar Object `Oumuamua a Nitrogen Iceberg?", Scientific American (March 19, 2021)

*"To Qualify as `Scientific', Evidence Has to Be Reproducible", Scientific American (March 1, 2021)

*"The Shrapnel that Killed the Dinosaurs", Scientific American (February 16, 2021)

*"Scientific Knowledge is Always Good", Scientific American (February 16, 2021)

*"Did a Supermassive Black Hole Influence the Evolution of Life on Earth", Scientific American (January 31, 2021)

*"ET and Arecibo", Pioneer Works (January 27, 2021)

*"Experimental Tests of Theology", Scientific American (January 26, 2021)

*"Why Do We Assume that Extraterrestrials Might Want to Visit Us?", Scientific American (December 21, 2021)

*"Message from Our nearest Star?", Scientific American (January 12, 2020)

*"The Cosmic Dawn of Technology", Scientific American (December 28, 2020)

*"Let's Search for Alien Probes, not Just Alien Signals", Scientific American (December 22, 2020)

*"Endless Creation Out of Nothing", Scientific American (December 12, 2020)

*"Noah's Spaceship", Scientific American (November 30, 2020)

*"Our Conversation with the Sky", Pioneer Works (November 22, 2020)

*"Living Near A White Dwarf", Scientific American (October 30, 2020)

*"Searching for the Atoms of Life", Scientific American (October 20, 2020)

*"The Empty Half of the Glass May Also Be Full" (Novemebr 14, 2020)

*"Risk Taking Should Be Mainstream In Science" (October 8, 2020)

*"Life and Fate", Inference (September 30, 2020)

*"Nature's Splendor Exceeds Our Imagination", Scientific American (September 29, 2020)

*"Life Near a White Dwarf", Scientific American (September 29, 2020)

*"Social Distancing on a Cosmic Scale", Scientific American (September 23, 2020)

*"The Dangers of Intellectual Territorialism", Scientific American (August 31, 2020)

*"The Hawking Limit", Scientific American (September 14, 2020)

*"What if We Could Live for a Million Years?", Scientific American (August 16, 2020)

*"My Recent Encounters with Rocks", Personal Diary (August 12, 2020)

*"A Movie of the Evolving Universe is Potentially Scary", Scientific American (August 2, 2020)

*"Beware of Theories of Everything", Scientific American (May 20, 2020)

*"The End of Time Could Be Of Our Own Making", Inference (May 18, 2020)

*"Visionary Science Takes More than Just Technical Skills", Scientific American (May 25, 2020)

*"A Sobering Astronomical Reminder from COVID-19", Scientific American (April 18, 2020)

*"Why the Pursuit of Scientific Knowledge Will Never End", Scientific American (April 6, 2020)

*"Surfing a Supernova", Scientific American (February 3, 2020)

*"Darwinian Survival Favors Generalists", Scientific American (January 9, 2020)

*"The Simple Truth About Physics", Scientific American (January 1, 2020)

*"A Tale of Three Frontiers", Scientific American (December 18, 2019)

*"Can the Universe Provide Us with the Meaning of Life?", Scientific American (November 18, 2019)

*"Space Archaeology", Atmos magazine (November 8, 2019)

*"Science is Not About Getting More Likes", Scientific American (October 8, 2019)

*"Essential Advice for Fledgling Scientists", Scientific American (December 2, 2019)

*"What Will We Do When the Sun Gets Too Hot for Earth's Survival?", Scientific American (November 25, 2019)

*"Did Life from Earth Escape the Solar System Eons Ago?", Scientific American (November 4, 2019)

*"The Moon as a Fishing Net for Extraterrestrial Life", Scientific American (September 25, 2019)

*"The Only Thing That Remains Constant Is Change", Scientific American (September 6, 2019)

*"Science as a Way of Life", Scientific American (August 14, 2019)

*"What is the One Thing You Would Change About the World?", Harvard Gazette (July 1, 2019)

*"It Takes a Village to Declassify an Error Bar", Scientific American (July 3, 2019)

*"In Search of Green Dwarfs", Scientific American (June 3, 2019)

*"`Oumuamua's Cousin?", Scientific American (May 6, 2019)

*"When Lab Experiments Carry Theological Implications", Scientific American (April 22, 2019)

*"The Humanities of the Future", Scientific American (March 22, 2019)

*"Living Near A Supermassive Black Hole", Scientific American (March 11, 2019)

*"Are We Really the Smartest Kid on the Cosmic Block?", Scientific American (March 4, 2019)

*"Be Kind to Extraterrestrials", Scientific American (February 15, 2019)

*"Q&A" (January 25, 2019)

*"Advanced Extraterrestrials as an Approximation to God", Scientific American (January 26, 2019)

*"Our Future in Space Will Echo Our Future on Earth", Scientific American (January 10, 2019)

*"How to Approach the Problem of `Oumuamua", Scientific American (December 19, 2018)

*"Six Strange Facts About the First Interstellar Visitor, `Oumuamua", Scientific American (November 20, 2018)

*"Seeking the Truth When the Consensus is Against You", Scientific American (November 9, 2018)

*"On `Oumuamua" (November 5, 2018)

*"Why a Mission to a Visiting Interstellar Object Could Be Our Best Bet for Finding Aliens", Gizmodo (October 31, 2018)

*"Making the Church Taller", Scientific American (October 18, 2018)

*"Searching for Relics of Dead Civilizations", Scientific American (September 27, 2018)

*"The Power of Anomalies", Scientific American (August 28, 2018)

*"Theoretical Physics is Pointless without Experimental Tests", Scientific American (August 10, 2018)

*"Sailing on Light", Forbes magazine (August 8, 2018)

*"Science is an Infinite-Sum Game", Scientific American (July 31, 2018)

*"Are Alien Civilizations Technologically Advanced?" Scientific American (January 8, 2018)

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Solar eclipse at Harvard's Arnold Arboretum on August 21, 2017 (credit: Ned Friedman). red color bar