"I saw no evidence during my presidency that extraterrestrials have made contact with us," Obama clarified on social media.

Disclosing government documents about UFOs won't mean much without hard physical evidence for alien spaceships or alien bodies.

Disclosure may not reveal alien visitors, but it will reveal something equally important: how science, measurement and ...

President Donald Trump has allegedly been 'fully briefed' on what the US government has been keeping secret about UFOs and alien life living among humans. In a recent interview, whistleblower and ...

Neil deGrasse Tyson has long been one of the most prominent skeptics when it comes to claims of extraterrestrial visitors to Earth. In his February 27 appearance on Piers Morgan Un ...

Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. Michael Shermer is the publisher of Skeptic magazine and author of the ...