A polarizing Harvard astronomer has been appointed to lead a White House panel studying UFOs. Avi Loeb is leading a new ...

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

Ross Coulthart speculates SpaceX employees could be read into secret UFO programs.

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.