Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

The Trump administration has tapped a Harvard professor with controversial theories about aliens to lead a team of scientists ...

“Mr. Chair, the truth is out there.” That’s what Rep. Nate Davidson, D-Cumberland and Dauphin said during a Tuesday Pa. House ...

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

Thanks to Hulu, you can watch every single Alien movie in one place — including the latest film Alien: Romulus, which made ...