NASA astronaut Anil Menon spoke with Newsweek's Leonardo Feldman about life in space, recently declassified UFO sightings, ...

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

The main focus of the trip is to study the effects of long-term spaceflight on the body, but the test is also a side mission.

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

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

On June 12, the Pentagon released a third set of declassified files on what NASA calls Unidentified Anomalous Phenomena (UAP) ...

Apollo astronauts described lights "sailing off into space" and skies like the "Fourth of July" in newly declassified Pentagon UFO transcripts.

The Pentagon has released a fresh batch of declassified UFO-related files containing decades of unexplained sightings reported by astronauts, military personnel and surveillance systems. The ...

A third batch of declassified UFO files were released by the Pentagon Friday. The latest such release in the Trump ...