A Soviet-era document published on the CIA's website describes a retaliatory attack by aliens after soldiers shot down a UFO ...

A novel way to find aliens might be through gravitational wave detection, Loeb says. He is interested in laser interferometry ...

the unusually oblong object 'Oumuamua, which some people incorrectly suspected was an alien probe when it was spotted in 2017 ...

Uncovering the Martian Mysteries: What NASA doesn't want you to know On July 25th, a NASA scientist was studying images of a region of Mars called "Cydonia" when something caught his eye.

An object hovering over Green Cove Springs March 22 left many wondering whether extraterrestrial aliens had decided to join the spring break crowd in Florida. OK, maybe aliens weren't looking for ...