Abraham " Avi " Loeb (Hebrew: אברהם (אבי) לייב; born February 26, 1962) is an Israeli and American theoretical physicist who works on astrophysics and cosmology.

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 …

Dr. Avi Loeb is your guide to the wonders of the cosmos.Here, we dive into the most fascinating topics in space — interstellar visitors, cosmic mysteries, gr...

Avi Loeb is the Baird Professor of Science and Institute director at Harvard University and the bestselling author of “Extraterrestrial” and "Interstellar". Read writing from Avi Loeb on...

Abraham Loeb Harvard University Verified email at cfa.harvard.edu - Homepage Astrophysics Physics

As head of Harvard's Galileo Project and founding director of the Black Hole Initiative, Avi Loeb searches for extraterrestrial intelligent life.

Mar 21, 2025 · As head of Harvard's Galileo Project and founding director of the Black Hole Initiative, Avi Loeb searches for extraterrestrial intelligent life.

Dec 22, 2025 · Harvard professor and astrophysicist Dr. Avi Loeb says 3I/ATLAS is 'most likely natural' after speculations of 'alien tech' in an interview.

Abraham “Avi” is an Israeli-American theoretical physicist who works on astrophysics and cosmology. Loeb is the Frank B. Baird Jr. Professor of Science at Harvard University.

Mind-Bending Evidence of Unknown Objects Above Earth! Avi Loeb's AI Deepfake Problem Causing Him Issues!