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

A set of protocols telling scientists what to do – and what not to do – if they ever detect evidence of intelligent life ...

Many have watched recently released UFO videos, but most still think the government knows more than it is saying.

When you're looking for signs of extraterrestrial intelligence, it helps to know what you're looking for and to go about it in the most efficient way. But work so far has generally not done so, writes ...

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

But the reviews for ‘Disclosure Day’ among the experts on UAPs—unidentified aerial phenomena—are decidedly mixed.

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

“Do not shout ‘alien!’” Amid surge of public interest in UFOs or UAP, one group updated its rules for how news of extraterrestrials should be revealed.

Disclosure Day treats extraterrestrial life as a challenge to faith. It’s not.

Add Yahoo as a preferred source to see more of our stories on Google. Even as the Trump administration continues to declassify government files on UFO sightings, the official position of the United ...