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

A Harvard University professor known for his polarizing theories about extraterrestrial life has been tapped by the White ...

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

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

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 ...

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

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.

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.

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

As the Pentagon releases UFO-related files, the narrative of "Disclosure Day" mirrors real-life discussions on the implications of alien contact on religious beliefs.

Claims of an 'arms race' involving Russia and China, reverse-engineering, and crashed alien spacecraft re-emerged this month ...