Ten theories explore how some "evidence of aliens" could explain the universe's eerie silence and strange sightings. The post ...

The Pentagon on Friday released a new group of documents and videos related to UFOs, or UAPs, with 72 more documents, images and recordings.

Add Yahoo as a preferred source to see more of our stories on Google. A remote-controlled drone over an ocean shoreline. - Credit: Getty Images For the past month, residents of the northeast and ...

WASHINGTON — A series of UFO sightings by federal officials in the western US is detailed in striking illustrations made public by the War Department Friday. The artist renderings of the encounters ...

Australia's space agency said there's a completely rational, albeit cosmic, explanation behind the mysterious orbs that washed up in Queensland.

Harvard astronomer Avi Loeb has been appointed by the White House to lead a team investigating unidentified anomalous ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House scientific advisory council on UFOs.

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 ...

Three years ago, during an expedition at the bottom of the Gulf of Alaska, a submarine detected a golden orb that contrasted with surrounding rocks. Its smooth, organic surface did not resemble that ...