Aldrin, 96, the second person to walk on the moon, said during a technical crew defriefing one week after the Apollo 11 crew returned to Earth that they observed three oddities. His statements were released in a UFO-related documents dump by the Pentagon on Friday.

The Department of War released dozens of files related to UFO sightings. Here are 5 most intriguing ones.

A chilling newly released FBI memo reveals how a young informant who reported seeing a UFO “feared for her life” because others who’ve seen them “have died mysteriously” in the past. The anonymous woman told officials she met an alien creature in July 1967,

Perspective: As things stand, the files say implicitly what officials won't explicitly. For now, it's all aboard the intergalactic hype train.

The Apollo 11 astronaut said the crew witnessed three "unusual" unidentified phenomena during the Moon mission.

The federal government posted scores of never-before-seen files related to UFOs and UFO sightings on a new website. But the materials fall far short of confirming the existence of alien life.

The new Pentagon website includes 162 declassified files on UFOs, or unidentified aerial phenomena. Some experts wonder if they contain anything new.

The president's interest has been embraced by a small group of Republicans in Congress who say the Pentagon has failed to provide transparency around mysterious aircraft reported near U.S. military installations.

Elon Musk has once again jumped into the alien debate, offering a straightforward take on one of the internet’s favourite topics: UFO sightings. In a recent clip that has gone viral, Musk said that although strange objects in the sky often make headlines ...

The documents, which Donald Trump said were tied to 'alien and extraterrestrial life', show unexplained dots hovering above the moon and discussions of mysterious objects floating near the Apollo 17 s