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Avi Loeb

Harvard astrophysicist; leads the Galileo Project; author of "Extraterrestrial"

The latest interviews, podcast appearances, and blog posts from Avi Loeb, updated daily.

All150Video62Podcast5Post83Content from April 2026 onward
2 months ago
Aug 31
2 months ago
Aug 30

Will NASA’s Roman Space Telescope Discover Interstellar Artifacts?

The Nancy Grace Roman Space Telescope, named after NASA’s first chief astronomer, is planned for launch today, August 30, 2026.

Stories by Avi Loeb on Medium
2 months ago
Aug 30

The Conspiracy Theory Some UAP Skeptics Are Promoting

Skeptics Are Capable of Promoting Conspiracy…

Professor Avi Loeb
2 months ago
Aug 29

A Self-Sustained Black Hole Engine, Powered by Tidal Disruption of Stars

A model for a self-sustained black hole engine at the center of a galaxy.

Stories by Avi Loeb on Medium
2 months ago
Aug 28

Skeptics Are Capable of Promoting Conspiracy Theories

(Image credit: PURSUE/DoW ) Three months ago, I was contacted by representatives from the Office of the Director of National Intelligence ( ODNI ) and the All-Domain Anomaly Resolution Office ( AARO )…

Stories by Avi Loeb on Medium
2 months ago
Aug 27

The Limits of Our Cosmic Horizon

(Image credit: Greg Wyatt) Naively, one would expect that as the Universe ages we would be able to observe more galaxies because light emitted by them is able to traverse larger distances over time…

Stories by Avi Loeb on Medium
2 months ago
Aug 27

I Want Scientists to Have Access to First-Hand UAP Evidence

Scientists Deserve First-Hand Evidence on UAP…

Professor Avi Loeb
2 months ago
Aug 26

Scientists Deserve First-Hand Evidence on UAP Materials

An artist’s illustration of a UAP incident. (Image credit: PURSUE/DoW ) We live in exciting times. Former U. S. military intelligence official David Grusch claims that the U. S.

Stories by Avi Loeb on Medium
2 months ago
Aug 25

Nuclear Spacecraft

An illustration of NASA’s SR-1 Freedom nuclear spaceship in front of Mars.

Stories by Avi Loeb on Medium
2 months ago
Aug 24

Why Some UAP Orbs May Be Using Warp Drives

Numerical Simulations of the Glowing Orbs Surrounding Warp Drives in the Earth’s…

Professor Avi Loeb
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