The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn more.

Aliens could, in theory, reach Earth but would never truly go home again, according to physicists who say Einstein's laws of relativity turn any near‑light‑speed visitor into a 'time exile.' The warning lands just as the US government publishes hundreds of previously classified unidentified anomalous phenomena case files,

This second set of remains belonged to what the world would come to know as the Starchild Skull. For nearly a century, this artifact has served as a battlefield between those who believe in extraterrestrial visitation and the scientific community that seeks a terrestrial,

Project Blue Beam, a conspiracy theory originating from Serge Monast's 1994 claims, suggests a government-led scheme to simulate a fake alien invasion or religious event to establish global control.

Claim of nefarious plot draws attention of lawmakers and president – but are disappearances and deaths really linked? Are the disappearances or deaths of at least 11 US scientists, each allegedly connected in some way to space, defense and nuclear ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The recent surge in mysterious drone sightings across the United States has sparked a resurgence of the Project Blue Beam ...

In the build-up to the release of Steven Spielberg's next sci-fi movie, Disclosure Day, writer David Koepp has addressed an alien conspiracy theory currently making its rounds on the internet. With some people online seemingly convinced that Spielberg will ...