The president in February directed the Department of Defense to begin reviewing government files related to extraterrestrial life.

President Trump revealed that a government review of UFO-related material has unearthed "interesting" documents, with initial releases imminent. This follows his February directive for agencies to declassify files amid public fascination.

Republican Anna Paulina Luna had requested dozens of alleged UFO videos from the Pentagon.

UFOs, or the notion of them, have been around a long time. Here’s a look at how the various iterations of the subject — from government investigations to sightings to movies and TV — have unfolded since World War II:

Add Yahoo as a preferred source to see more of our stories on Google. Former President Barack Obama recently said he believes aliens are real — but clarified that he has never seen one and does not believe they are being held at Area 51. In a Feb. 15 ...

Representative Anna Paulina Luna has asked Defense Secretary Pete Hegseth to turn over dozens of video files by April 14.

Researchers recently analyzed data available on the National UFO Reporting Center’s website. Here's what they found.

His job was to uncover secrets from the unknown. But his curiosity opened doors that the government preferred to keep closed.

When pilot Kenneth Arnold took off from Chehalis, Washington, in his single-engine airplane one afternoon in June 1947, he was looking for a lost military aircraft that had crashed. But what he found was something completely different-something that would ...