A former CIA-linked physicist's comments about 'four alien species' have reignited UFO conspiracy theories online.

Donald Trump's declassified UFO files and the documentary Sleeping Dog reignite the debate on extraterrestrial life, yet officials maintain no evidence confirms alien existence.

Historic file release: President Trump ordered the declassification of decades of UFO and UAP records, with the first batch now publicly accessible online. Striking new evidence: Files include a ...

The Donald Trump administration has released numerous files about reported UFO sightings as well as bizarre claims and reports about the surface of the Moon ...

The Trump administration on Friday released much-anticipated UFO files with images showing evidence of what could be extraterrestrial life. THIS BLOG IS NOW CLOSED Article continues below ...

Add Yahoo as a preferred source to see more of our stories on Google. A renewed push in Washington is bringing one of the world’s most controversial UFO cases back into the spotlight—this time with ...

Newly-released material from the so-called UFO files includes reports of unexplained green orbs, discs and fireballs zooming across the sky, with investigators yet to find an explanation for the sight ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The Trump administration has released more than 160 files relating to ...

The publication of 72 files from the FBI, CIA and Pentagon reveals testimony, videos and artistic depictions of what ...

New batch of previously classified government documents takes no position on origin of unidentified aerial phenomena (UAPs) ...

Read the full story in this post or scroll down to catch up as it all happened: We're ending our live updates now after a second batch of previously classified files on alleged UFO sightings were ...

Steven Spielberg’s latest UFO blockbuster is generating debate far beyond extraterrestrials and government secrets. “Disclosure Day,” which has already attracted The Steven Spielberg’s New UFO Film ...