Why are we allowing unidentified objects to operate with impunity in our skies?” one expert testified Tuesday.

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

"This is a detective story that can be resolved with better data," Harvard astrophysicist Avi Loeb told Newsweek.

WASHINGTON (AP) — A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a team of outside scientists to study the national security ...

The Pentagon released over a hundred newly declassified files related to UFOs (now officially referred to as Unidentified ...

In June 1947, Kenneth Arnold saw something strange in the sky. What he saw sparked a national UFO craze-but it was far from ...

On June 24, 1997, the United States Air Force released its final report on claims that an alien spacecraft crashed near ...

The U.S. fighter pilot who was shot down over Iran in April reportedly described seeing multiple Iranian drones hovering in ...

The small alien bus driver character in DC's Supergirl film has a very distinct voice. Here's who plays that character and ...

A covert Chinese space plane has quietly released a new UFO-like object into orbit, according to US tracking data, fuelling ...

Extraterrestrial visitors are not only already here – they are landing in a top secret “alien airport” hidden away in the ...