One pilot's offhand description in 1947 started a national obsession that never quit.

Neil deGrasse Tyson calls on the government to just show the alien, saying Americans are ready for disclosure after years of hearings and UAP files.

Lawmakers called on the White House to grant immunity to whistleblowers who come forward with UFO information.

Do not shout ‘alien!’” Amid surge of public interest in UFOs or UAP, one group updated its rules for how news of extraterrestrials should be revealed.

Scientists have outlined a set of protocols for responding to extraterrestrial contact, including a bizarre directive to ...

Astrophysicist Neil deGrasse Tyson has a blunt request for the government as the Pentagon rolls out the highly anticipated UFO files — just “show the alien!” Tyson shared his two cents Monday on “The ...

Alleged alien bodies from four different species have reportedly been recovered from downed spacecraft and are now in US government custody, according to claims made by defence scientist Hal Puthoff ...

Donald Trump's declassified UFO files and the documentary Sleeping Dog reignite the debate on extraterrestrial life, yet officials maintain no evidence confirms alien existence.

The White House launched a website teasing new information on aliens, but it actually delivers immigration arrest data, including hundreds in Kansas.

"Wouldn’t it be wonderful for people to know all of this is true," the Oscar-winning director says in the new trailer.