Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

Australia's space agency said there's a completely rational, albeit cosmic, explanation behind the mysterious orbs that ...

NASA’s James Webb Space Telescope has detected a carbon-rich atmosphere on a tiny world orbiting a dead, rapidly spinning ...

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

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

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Susan Cox was just a few weeks into a job volunteering at Revivals, a popular thrift store in Palm Springs, when she recently made an unforgettable discovery. As Cox was sorting through donated items ...

ST. PETERSBURG, RUSSIA—Live Science reports that a tenth-century burial uncovered in southern Siberia's Sayan Mountains in 2014 contains the remains of a woman; a newborn; the spine of a sheep; and ...

Contains spoilers for "Disclosure Day" The best alien movies blend grounded science fiction with a healthy dose of mystery. Space is the ultimate unknown, after all, and the mystique of potential ...

12 years is a long wait to play the sequel to one of your favourite games of all time. During that decade-plus stretch, I’ve re-played the original Alien: Isolation multiple times, analysed its ...