A Catholic nun has weighed in on the long-running debate surrounding UFOs and extraterrestrial life. In a video posted on The ...

Add Yahoo as a preferred source to see more of our stories on Google. Illustration by Alberto Mier/CNN When the Trump administration registered the domains Aliens.gov and Alien.gov in March, UFO ...

A nutrition scientist applies metabolism, biology and food science to one of science fiction's oldest questions.

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 ...

Harvard professor Avi Loeb believes that aliens are not going to visit Earth in physical form, and would instead send a "technological device guided by AI". Their visit would not be fun either, and ...

Recent DNA tests on the Paracas skulls have not confirmed their alien origins, reigniting debates about their ...

Former Pentagon UFO investigator Jay Stratton claims he personally saw 'non-human craft' and 'non-human beings', and now plans to detail an alleged 80‑year US government cover-up in a new memoir.

Viral images falsely depicting President Trump meeting mysterious figures at the White House have sparked alien conspiracy ...