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

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

Why are we allowing unidentified objects to operate with impunity in our skies?” one expert testified Tuesday.

Add Yahoo as a preferred source to see more of our stories on Google. Digital artist rendering of extraterrestrial aliens Image by Canva The Executive Office of the President has registered the ...

Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — and could wipe out life on earth. Following Tennessee Rep. Tim Burchett’s ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...