A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

NASA addresses the release of UFO files and discusses the ongoing search for life on Mars. What are they hiding?

NASA administrator Jared Isaacman says declassified UAP files show real unexplained phenomena but no alien bodies or crashed ships have been found.

The Donald Trump administration has released numerous files about reported UFO sightings as well as bizarre claims and ...

Newly declassified Pentagon UFO files have reignited debate over a possible alien presence on the Moon after a previously ...

A biologist specializing in invasive species has partnered with a former Pentagon strategist in pushing NASA to construct a ...

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

The Pentagon has started releasing files related to unidentified anomalous phenomena (UAP), also called UFOs. Here are the images released so far ...

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