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.

A strange UFO sighting in Susa Valley, Italy, leads to the construction of Sacra di San Michele, and according to theorists, ...

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

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

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

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 ...

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.

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

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

Conor McGregor didn’t just wade into the alien invasion discussion; he actually sent a warning to any beings that aren’t from Earth. The Irishman returns to UFC action on Saturday as he faces Max ...