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

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

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

Buzz Aldrin is quoted as having made three observations, one of which was of something with a "sizeable dimension." ...

They haven’t found alien life out there yet, but following the first successful in-space DNA sequencing, astronauts have a better way to look for it. This first test was mostly just to see that DNA ...

Two scientists want NASA to build a quarantine lab for alien germs on the Moon, rather than on Earth. The pair, ...

A third batch of declassified UFO files were released by the Pentagon Friday. The latest such release in the Trump administration's new wave of public disclosure of Unidentified Anomalous Phenomena ...

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 ...

McClelland claims he is a retired NASA spacecraft operator (ScO) who worked with NASA’s Shuttle Fleet at the Kennedy Space Center in Florida from 1958 to 1992. He was involved in hundreds of NASA ...

The United States government’s recent release of hundreds of previously classified Unidentified Anomalous Phenomena (UAPs) cases spanning the 1940s to the present, along with the new Steven Spielberg ...

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

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.