The curious minds at What If explore what would happen if aliens came to Earth a million years in the future.

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

A Harvard University cosmologist who has suggested alien life forms could be sailing into the solar system disguised as meteors is leading the Trump administration’s secretive new scientific advisory ...

Ancient Lost Worlds and Hidden History. On location videos made by author and adventurer Brien Foerster exploring Peru, ...

The mystery of Peru's "conehead" mummies has baffled scientists for decades, and new DNA tests on the mummies' teeth have ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

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

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

Lawmakers and Trump UFO advisors are naming the private corporations who allegedly operate alien craft-retrieval programs — ...

Steven Spielberg and aliens is like cinematic peanut butter and jelly. His "Disclosure Day" is a thriller about a massive government alien cover-up.

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