Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

The images that recently have gone viral actually date back to 2001.

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

A strange formation spotted deep within a massive Martian canyon is once again fueling debate over whether something more ...

They were not, so the polemic went, the work of 'puny' man, but instead those 'giants of Mars'. Yes, the Pyramids of Giza - those monuments to god-like splendour that have stood for more than 4,000 ...

President Donald Trump says he is directing federal agencies to declassify UFO files. For traders betting on aliens, that could mean a very earthly payday. "Based on the tremendous interest shown, I ...

President Trump on Thursday directed his administration to release files on UFOs and any "alien and extraterrestrial life," an issue that has drawn decades of public fascination — and spawned more ...

President Trump had lashed out at former President Barack Obama earlier Thursday for telling a podcaster that aliens were real. By Chris Cameron Reporting from Washington President Trump said on ...

In 2017 astronomers detected an unusual object entering our Solar System from interstellar space. Named ‘Oumuamua, it displayed strange behavior that puzzled scientists: a long cigar-like shape, ...