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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.

All149Video61Podcast5Post83Content from April 2026 onward
2 days ago
Nov 4

Will Life Exist in the Solar System After the Death of the Sun?

(Image credit: Greg Wyatt) The Sun is ~4.6 billion years old. Within ~5 billion years, the hydrogen fuel in its core will run out, and the Sun will begin expanding into a red giant star.

Stories by Avi Loeb on Medium
2 days ago
Nov 4

This Star Is Moving at 8.5% the Speed of Light

Is the Fastest Known Star S301 Accompanied by Alien String Experimentalists?

Professor Avi Loeb
3 days ago
Nov 3

Will Mathematics in the Age of Superintelligence Follow the History of Astronomy in the Age of…

Will Mathematics in the Age of Superintelligence Follow the History of Astronomy in the Age of Instrumentation? The IceCube Neutrino Observatory at the South Pole is funded and managed by the U. S.

Stories by Avi Loeb on Medium
3 days ago
Nov 3

An Unresolved UAP Case Deserves a Closer Look

About UAP and Interstellar…

Professor Avi Loeb
5 days ago
Nov 1

Is There Life in Liquid Water Now on Mars at a Depth of 5 to 10 Kilometers, and Could We Find It?

The rose-colored rock (left), labeled Teghaza 001, is a meteorite from Mars (right) with an age of at least 4.1 billion years.

Stories by Avi Loeb on Medium
5 days ago
Nov 1

OUR THEORY OF GRAVITY IS WRONG! w/ Avi Loeb | The Tim Pool Show

The Tim Pool Show · November 1, 2026 · 1 hr 47 min. Host Tim Pool · Guest Avi Loeb.

Tim Pool Show
7 days ago
Oct 30

Is UAP Storytelling Akin to Religious Myths?

(Image Credit: AI/Gemini) A system of statements based on conviction rather than evidence is closer to religion than it is to science.

Stories by Avi Loeb on Medium
8 days ago
Oct 29

Our Cosmic Archaeological Dig

(Image credit: Greg Wyatt) The Universe started with nearly the same initial conditions in all directions and distances. As a result, cosmic time was nearly synchronized everywhere we look.

Stories by Avi Loeb on Medium
8 days ago
Oct 29

A Hidden World Was Just Found Beyond Pluto

Discovery of a Dwarf Planet Candidate in the Outer Solar System by the NSF-DOE Rubin…

Professor Avi Loeb
10 days ago
Oct 27

Discovery of a Dwarf Planet Candidate in the Outer Solar System by the NSF-DOE Rubin Observatory

The orbit of the new candidate dwarf planet beyond Pluto, ED138. (Image Credit: NSF–DOE Vera C. Rubin Observatory/NOIRLab/SLAC/AURA/R ) The NSF–DOE Vera C.

Stories by Avi Loeb on Medium
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