To support alien life, a planet doesn’t have to be exactly like Earth, but it does need a few key ingredients. First, it ...

How far away aliens might detect life on Earth.

There were schools of thought in Ancient Greece that speculated about extraterrestrial life, in trying to answer questions ...

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of ...

If life exists elsewhere in the universe, researchers at the University of Washington are finding the clues on Earth to help ...

Planet K2-18b, an apparent water world 124 light years away, has been seen as a promising location in the search for aliens, ...

Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

If life ever existed on Mars, it might have looked like microfossils right here on Earth.

There's a definite buzz going around this month about aliens from other worlds, or hadn't you noticed? Former US President ...

President Donald Trump on Thursday said he would direct the Pentagon and other government agencies to release government records related to extraterrestrial life and UFOs.

In a Truth Social post, the U.S. president said his move was based on the "tremendous interest" in the subject, without providing additional details.