Astrophysicist Neil deGrasse Tyson has a blunt request for the government as the Pentagon rolls out the highly anticipated ...

Newly declassified Pentagon UFO files have reignited debate over a possible alien presence on the Moon after a previously ...

Fresh allegations that US intelligence agencies may be secretly holding recovered alien technology have revived one of Washington's most persistent debates, after a prominent UFO whistleblower claimed ...

Astrophysicist Neil deGrasse Tyson, 67, explained how any alien visitor from another planet would likely look very different ...