An image taken by Curiosity last month has sparked claims of a long-lost civilization on the Red Planet after some spotted a ...

Led by Avi Loeb, a new Trump administration scientific council is reviewing over 50 Pentagon records to evaluate UAP security ...

The question of whether humanity is alone in the universe has fascinated scientists for generations, but few have pursued an answer as publicly or as controversially as Harvard astrophysicist Avi Loeb ...

Avi Loeb, Harvard astrophysicist known for bold alien theories, will lead a Trump administration-backed team investigating UFOs and their security risks.

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...