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

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

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 ...

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

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

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

K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

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.

For instance, what if we really are being visited by aliens from other worlds and they turn out to be aggressive, violent, ...

Long before Artemis II captured our attention by taking humans farther from Earth than ever before, humans have been fascinated by the possibility of exploring other worlds, finding life on other ...

Brazilian witnesses from January 1996 claimed at least one extraterrestrial survived the crash of a cigar-shaped craft.