Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Anthony Mennella follows a comedic alien encounter inside a home that leaves viewers questioning what is real.

NASA's new alien-hunting telescope, the Habitable Worlds Observatory (HWO), will be serviceable out in space (and it will ...

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

In a recent two-week voyage through the southern Atlantic, scientists uncovered an astonishing array of 31 previously unknown ...

A polarizing Harvard astronomer has been appointed to lead a Trump administration panel studying UFOs. Avi Loeb is leading a ...

EXCLUSIVE: A new documentary is resurrecting the story of 1995's elaborate alien autopsy hoax. Former Mirror photographer Mike Maloney's testimony blows the UFO debate wide open ...

Thomas Mulligan investigates the sophisticated technologies and astronomical investments driving the relentless global search ...

Left to Right: Steven Yeun in "Nope," the alien in Steven Spielberg's "E.T." and Scarlett Johansson in "Under the Skin" (Universal Pictures / A24) It didn’t take long for stories about ...

The project is expected to enable pioneering discoveries by scientists around the world, and ultimately deliver a time-lapse ...

Curious about what the alien whispers to Daniel Kellner at the end of Disclosure Day? As Margaret and Daniel race to expose decades of classified alien evidence, Wardex Corporation fights to bury the ...

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