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

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. After their historic trip around the moon, the Artemis II astronauts were greeted by a blow-up alien on board the Navy ship John P ...

Britain's first astronaut thinks aliens exist and she says they could be already living among us, but we can't see them. Helen Sharman is a chemist who currently works at the Imperial College in ...

Scientists are now developing spinning space stations with artificial gravity that could take astronauts deeper into the ...

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 ...