Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of ...

American air force accused of sharing fake news around extraterrestrial activity to divert attention from its ‘nefarious activities’ ...

NASA has given a hilarious response to President Trump following his demand for UFO files - and it dashes hopes of an ...

Following Obama’s remarks, Trump’s announcement that he would order the release of files related to aliens and UFOs, the ...

Science fiction has imagined everything from little green men to tentacled monsters—but real biology may offer clearer clues. Evolution follows universal rules, meaning alien life on Earth-like ...

Popular culture imagines aliens as creatures made of flesh and bone — but some researchers argue that advanced civilizations ...

The question of extraterrestrial life has resurfaced in public discourse after former U.S. President Barack Obama commented ...

One of the biggest libraries for declassified government files was mysteriously wiped clean just hours after President Trump ...

Explore the disappearance of 3.8 million declassified UFO files from The Black Vault after Trump's transparency order.

There are things the NASA chief has "come across in the job that he can’t explain," but aliens are not among them.