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.

Dozens of photos were included as part of the release, such as photos shared by the FBI, Department of Defense, and NASA.

A new batch of over 200 files has today been released by the Pentagon – containing remarkable video of what appear to be spherical aircraft of unknown origin ...

Pentagon’s latest UFO file drop contains five separate accounts from law enforcement of orbs moving across sky - Nearly all the reports from the federal agents also included a detail about a vehicle-l ...

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 ...

The US Government has released a new trove of documents on cases of "unidentified anomalous phenomena" (UAPs)—many of which would have been described in the past as unidentified flying objects or UFOs ...

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

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 ...