Declassified documents released in 2013 during Obama’s presidency acknowledged the existence of Area 51, saying that the secret government space was used as an aerial testing ground for U.S.

The president on Thursday ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...

"He gave classified information, he's not supposed to be doing that," Trump told reporters Feb. 19 in discussing Obama's ...

NASA has committed to running two competing landing architectures side by side for its Mars Sample Return mission, a strategy ...

NASA has released an extensive internal review of Boeing’s problematic Starliner crew flight, revealing significant engineering shortcomings, strained communication and emotionally charged disputes ...

President Trump on Thursday directed his administration to release files on UFOs and any "alien and extraterrestrial life," ...

Trump's comments came hours after he claimed that former President Barack Obama shared 'classified information' when he told ...