Astrophysicist Neil deGrasse Tyson has backed former President Barack Obama after he suggested extraterrestrial life exists.

Astrophysicist Neil deGrasse Tyson has stepped in to defend Barack Obama's viral 'aliens are real' remark, saying the former ...

The Pentagon's release of files might help scientists shed light on unexplained phenomena and government secrets, experts said.

Until the U.S. government has data or samples of alien material that can be shared, the story of extraterrestrial visitors is just a story.

"Never-before-seen files" on UAPs posted by US Department of War, including some images taken by Apollo missions.