A top U. S. Air Force general linked to the military's alleged research on UFOs has gone missing – and experts are calling ...

(cokada/iStock/Getty Images) Alien megastructures built to harvest stellar energy or alter the orbits of stars may be ...

Publishers risk unwittingly putting out books generated with artificial-intelligence tools. Authors and readers are ...

Explore the UFO mysteries J. Allen Hynek uncovered with Project Blue Book and how his findings challenged the Air Force's ...

With 15,000 satellites crowding the sky and hundreds of thousands more planned, we may soon have a cataclysmic mess overhead.

If I were looking at Earth from a distance, I would be pretty disappointed,” theoretical physicist Avi Loeb says. “Most of ...

With big names like Steven Spielberg and Christopher Nolan at the helm, the greatest hard sci-fi films will blow audiences' ...

Another name has been added to the growing list of dead and missing scientists.

From lava tubes on Mars to ice pockets on Europa, subterranean environments may offer the best chance of finding life—and living safely—beyond our planet. “I was like, ‘OK, I'm pretty sure that ...

Do little green men exist? Was 'Men In Black' a documentary? Prediction markets price the odds of the U.S. confirming aliens before 2027 - here’s why traders overwhelmingly expect a government ...