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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
Yesterday
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 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
4 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
6 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
7 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
9 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
10 days ago
Oct 26

Our Cosmic Roots

Snapshot from the Lumina computer simulation (650 million light-years across), showing massive galaxy clusters, intertwined with filaments that feed them with dark matter (blue) and gas (orange) like…

Stories by Avi Loeb on Medium
12 days ago
Oct 24

Comments on the Seventh Pentagon UAP File Release

(Image credit: The Hill, NewsNation ) Below is a transcript of my in-person television interview with Blake Burman in The Hill on NewsNation on October 23, 2026.

Stories by Avi Loeb on Medium
13 days ago
Oct 23

The Triangular UAP in the 7th Tranche of PURSUE

(Image credit: PURSUE/DoW ) The seventh tranche of declassified data on Unidentified Anomalous Phenomena (UAP) was released today, October 23, 2026, by the Presidential Unsealing and Reporting System…

Stories by Avi Loeb on Medium
15 days ago
Oct 21

The Pomegranates That Seeded Life in the Universe

(Image credit: Greg Wyatt) A supernova remnant looks like a pomegranate, carrying the seeds of life in the form of Carbon, Hydrogen, Nitrogen, Oxygen, Nitrogen, Phosphorus and Sulfur (abbreviated as…

Stories by Avi Loeb on Medium
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