Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

WASHINGTON (AP) — A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White ...

"This is a detective story that can be resolved with better data," Harvard astrophysicist Avi Loeb told Newsweek.

The question of whether humanity is alone in the universe has fascinated scientists for generations, but few have pursued an ...

For the last decade Harvard astronomer Avi Loeb has been scanning the skies and seas for evidence of intelligent alien life.

ROSWELL, N.M. — The world famous Roswell “incident” was no UFO but rather a Russian spacecraft with “grotesque, child-size aviators” developed in human experiments by Nazi doctor and war criminal ...