The Fermi paradox asks why we haven’t found aliens yet. Scientists say the answer may lie in timing, technology, and the vast ...

A UFO expert has claimed an extraterrestrial arms race is underway with both Russia and China attempting to extract and copy new technology from crashed alien space ships.

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

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

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

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

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.

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 ...

What would aliens actually look like? While simple life forms like bacteria may be common in the universe, complex ...

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

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