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| Abraham (Avi) Loeb is the Frank B. Baird, Jr., Professor of Science at Harvard University and a bestselling author (in lists of the New York Times,Wall Street Journal, Publishers Weekly, Die Zeit, Der Spiegel, L'Express and more).
He received a PhD in Physics from
the Hebrew
University of Jerusalem in Israel at age 24 (1980-1986),
led the first international project supported by
the Strategic
Defense Initiative (1983-1988), and was subsequently a
long-term member of the Institute for Advanced Study at Princeton
(1988-1993). Loeb has written 8 books, including most recently, Extraterrestrial (HarperCollins, 2022) and Interstellar (HarperCollins, 2023) and over a thousand papers (with
h-index
of 131 and i10-index of 614) on a wide range of topics, including
black holes, the first stars, the search for extraterrestrial life and
the future of the Universe.
Loeb is the Director of
the Institute for Theory and Computation (2007-present)
within the Harvard-Smithsonian Center for Astrophysics
, and also serves as the Head of
the Galileo Project (2021-present).
He had been the
longest serving Chair of Harvard's
Department of Astronomy (2011-2020) and the Founding Director of
Harvard's Black
Hole Initiative (2016-2021).
He is
an elected fellow of
the American
Academy of Arts & Sciences,
the American
Physical Society, and
the International Academy of
Astronautics. Loeb is a former member of the
President's Council of Advisors on Science and Technology (PCAST) at the White House, a former chair of
the Board
on Physics and Astronomy of the National Academies (2018-2021) and
a current member of the Advisory Board for "Einstein: Visualize
the Impossible" of the Hebrew University.
He chaired the Advisory Committee for
the Breakthrough
Starshot Initiative (2015-2024) and served as the Science Theory Director
for
all Initiatives
of the Breakthrough Prize
Foundation. In
2012, TIME
magazine selected Loeb as one of the 25 most influential people in
space and in 2020
Loeb was
selected among the 14 most inspiring Israelis of the last
decade.
In 2024, Loeb was ranked number 3 in publication record and impact of research among all astronomers worldwide over the past 5 years by ScholarGPS.
Loeb's latest TED talk was among the top five most popular TED talks in 2024.
Click here
for Loeb's commentaries.
Staff Assistant:
ITC Administrator:
BHI Administrator:
Theory Div. Admin.:
*Extraterrestrial: 28 editions in 25 languages worldwide (2021).
*Extraterrestrial summary, HMH (2021).
IN THE NEWS:
*"Will the Universe Die?" (May 15, 2025).
*"Poetry Inspired by Alien Intelligence" (May 14, 2025).
*"Are Light Pulses from the Nearest Habitable Exoplanet, Proxima b, Natural or Artificial in Origin?" (May 12, 2025).
*"Sandcastles in the Cosmos" (May 10, 2025).
*"Expanding Our Limited Training Data Set" (May 8, 2025).
*"Blowing-Up Voids With Dark Energy" (May 6, 2025).
*"A Vision for a UAP-Manhattan Project" (May 4, 2025).
*"Congressional Briefing on UAP ScienceThe Afterglow of a UAP Congressional Briefing" (May 2, 2025).
*"Congressional Briefing on UAP Science" (April 28, 2025).
*"The Music of Astrobiology" (April 26, 2025).
*"Dark Matter Does Not Exhibit a Large Negative Pressure" (April 24, 2025).
*"Are We at the Logarithmic Midpoint of Extraterrestrial Technological Civilizations?" (April 22, 2025).
*"Eascaping Gravity Without Fuel" (April 20, 2025).
*"Cosmic Lessons from the Battle of Lexington" (April 19, 2025).
*"Life Beyond Earth and Manipulation of Spacetime" (April 17, 2025).
*"The Impact of AI on the Human Brain" (April 15, 2025).
*"Figuring Out What Lies Outside the Solar System is the Day Job of Astronomers, not Government Officials" (April 15, 2025).
*"Generation AI" (April 13, 2025).
*"Nurseries of Brilliance" (April 11, 2025).
*"Interstellar Passover" (April 11, 2025).
*"The Virtues of Doing Instead of Talking" (April 9, 2025).
*"To Bounce or not to Bounce, that is the Question!" (April 8, 2025).
*"Cosmic Russian Roulette: Death by Dark Energy" (April 6, 2025).
*"Gravitational SETI" (April 5, 2025).
*"Council on Alien Relations" (April 4, 2025).
*"Harvard's Perfect Storm" (April 2, 2025).
*"Sailing on the Surface of a Red Dwarf Star" (March 31, 2025).
*"Superhuman AI is Closer Than We Think, for the Wrong Reason!" (March 30, 2025).
*"Nature Cannot Be Ruled in the Court of Public Opinion" (March 29, 2025).
*"The Highest Energy Particles in the Cosmos" (March 26, 2025).
*"Q and A about Alien Intelligence" (March 25, 2025).
*"What Are Aliens Having for Lunch?" (March 24, 2025).
*"What Is Dark Energy?" (March 23, 2025).
*"Technological Signatures on Free-Floating or Non-Habitable Planets" (March 22, 2025).
*"The Galileo Project Agrees with Elon Musk About the Need to Search for Remnants of Alien Civilizations!" (March 19, 2025).
*"Could Scientists be Anti-Science?" (March 18, 2025).
*"Is Time Continuous?" (March 17, 2025).
*"Down to Earth Benefits of Looking Up at the Sky" (March 16, 2025).
*"Commemorating Past Galactic Civilizations in the Milky-Way" (March 15, 2025).
*"Are the Lost Soviet Spacecraft Venera 2 and the Dark Comet 2005 VL1 Different Objects?" (March 13, 2025).
*"Betrayal of Scientific Objectivity by the News Media" (March 12, 2025).
*"Will Artificial Intelligence Win Over Natural Stupidity?" (March 10, 2025).
*"The Dark Age of Science" (March 9, 2025).
*"Death by a Primordial Black Hole" (March 7, 2025).
*"Is the `Dark Comet' 2005-VL1 the Venera-2 Spacecraft?" (March 5, 2025).
*"Are We Living in a Simulation? An Experimental Test" (March 4, 2025).
*"Extraterrestrial Intelligence and the Jews" (March 1, 2025).
*"Ignoring Reality is a Bad Idea" (February 28, 2025).
*"First Life in the Cosmos" (February 26, 2025).
*"Traveling Through the Earth, the Sun and the Universe" (February 25, 2025).
*"For Now, Humans Remain at the Top of the Food Chain on Earth" (February 23, 2025).
*"Watercolor Reflections of the Cosmos" (February 22, 2025).
*"Why Did Galileo Need a Telescope to Discover the Moons of Jupiter?" (February 21, 2025).
*"Are Astronomers About to Gain the Highest Status in Society?" (February 19, 2025).
*"Will Future Einsteins be AI Agents?" (February 18, 2025).
*"Intergalactic Objects in the Solar System" (February 17, 2025).
*"Did the Solar System Pass Through a Giant Molecular Cloud 10-Million Years Ago?" (February 16, 2025).
*"Lessons Learned from the Dinosaurs" (February 15, 2025).
*"Sharing My Office with Galileo" (February 12, 2025).
*"Harvesting Numerous Interstellar Objects with a Dedicated
Space Telescope" (February 11, 2025).
*"The Oldest Relics Must be Younger than the Universe" (February 8, 2025).
*"The Existential Risk from Polyamory of Artificial General Intelligence" (February 6, 2025).
*"Cosmic Birth of Supermassive Twins" (February 5, 2025).
*"Happiness in a Hostile Cosmos" (February 4, 2025).
*"Physics is Our Scholar's Lion" (February 2, 2025).
*"A New Message from the Asteroid Bennu" (January 31, 2025).
*"Interstellar Empty-Trash-Bag Objects" (January 29, 2025).
*"Fast Radio Signature as a Technological Signature" (January 27, 2025).
*"It's an Asteroid...It's a Come...No, It's a Car!" (January 26, 2025).
*"Schumer's UAP Disclosure Request to Trump" (January 24, 2025).
*"The Thrill of Seeking the Unknown" (January 23, 2025).
*"The Mass Spectrum of Technological Space Trash" (January 21, 2025).
*"Getting Closer to God" (January 20, 2025).
*"Supermassive Stars" (January 19, 2025).
*"The Giant Looming in Our Sky" (January 18, 2025).
*"Is Terrestrial Life a Manifestation of von-Neumann's Self-Replicating Machines of Extraterrestrial Origin?" (January 15, 2025).
*"Alien Hunting" (January 14, 2025).
*"The National Security Risk from a Dynamic ChatGPT" (January 14, 2025).
*"Morphology of Fragments Recovered from the Crash Site of the Interstellar Meteor IM1" (January 13, 2025).
*"Do Faster-Than-Light Particles Exist?" (January 12, 2025).
*"Celebrating the 415th Anniversary of Galileo's Insight!" (January 12, 2025).
*"Which Information Can Be Trusted in the Age of AI?" (January 10, 2025).
*"The Tension Between Anomalies in the Sky and National Security" (January 8, 2025).
*"History of the Duration of a Day on Earth" (January 6, 2025).
*"Where Should We Search for Extraterrestrial Life?" (January 4, 2025).
*"Going Fishing on Titan" (January 3, 2025).
*"Saving Earth With Starships in the Next 5-Billion Years" (January 1, 2025).
*"Surveillence of Earth by Dark Comets" (December 30, 2024).
*"Innovation in 2025, on Earth and Beyond" (December 28, 2024).
*"My New Bet for 2025-2035 Against Elon Musk" (December 26, 2024).
*"Where Was Everybody?" (December 22, 2024).
*"We Owe Our Existence to Dark Matter" (December 19, 2024).
*"Distinguishing Albino Zebras from Elephants" (December 16, 2024).
*"Fueling Our Economy with Hydrogen" (December 16, 2024).
*"New-Jersey Drones and Dark Comets" (December 14, 2024).
*"The Existential Risk from Extraterrestrial Mirror Life" (December 13, 2024).
*"The Best Real Estate in the Cosmos" (December 12, 2024).
*"Our Next Decade with AI" (December 10, 2024).
*"A New Method to Derive an Empirical Lower Limit on the Mass Density of a UFO" (December 8, 2024).
*"Now is the Time to Search for Extraterrestrial Visitors: Announcing the New Galileo Project Foundation" (December 7, 2024).
*"Traveling Through the Cosmic Landscape of Thoughts" (December 6, 2024).
*"The Graveyard of `Oumuamua's Family on the Moon" (December 4, 2024).
*"A Pulsating White Dwarf" (December 2, 2024).
*"Island Mentality" (December 2, 2024).
*"Casting Galileo in Bronze" (November 30, 2024).
*"Experimental Quantum Gravity" (November 28, 2024).
*"Living in a Big Crunch" (November 27, 2024).
*"Yes, It's Possible to Be Scientific and American" (November 25, 2024).
*"Exotic or Mundane?" (November 21, 2024).
*"Earth and Mars Acquire Saturn-Like Rings Over Hundreds of Millions of Years" (November 19, 2024).
*"Neutrinos Cannot Move Faster Than Light, or Else Black Holes Would not Be Stable" (November 17, 2024).
*"Could Academia Catch Up with AI?" (November 15, 2024).
*"The Virtues and Risks of Slow Aging by Gravitational Time Dilation" (November 14, 2024).
*"The Inefficiency of Life" (November 12, 2024).
*"Commissioning Data on Half a Million Objects in the Sky from the Galileo Project Observatory: Are Any of Them UAP?" (November 12, 2024).
*"Everything Everywhere All at Once About the Universe" (November 11, 2024).
*"Avi Loeb's Statement on UAP to the House Oversight and Accountability Committee" (November 10, 2024).
*"The Nature of Dark Energy" (November 9, 2024).
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