What if an alien civilization did not just exist somewhere in the universe, but actually reached Earth in the distant past? This video explored the ancient alien theory through the lens of the Fermi ...

The Alien franchise has made some divisive choices in the 40 years since the release of Aliens in 1986, but this far-reaching fan theory has a fantastic explanation for these controversial events.

When red rain began falling over Kerala, India, it looked like something out of a biblical nightmare. The water was bright red, it kept returning for weeks, and early tests even fueled wild theories ...

With For All Mankind Season 5 now streaming on Apple TV and the show confirmed to end with Season 6, longtime viewers have been revisiting a persistent theory about where this alternate history saga ...

Speculation about links among a handful U.S. scientists who have died or disappeared in recent years was largely confined to ...

More than 800 men, branded ‘enemy aliens’ were killed when cruise ship bound for Canada was torpedoed by a Nazi U-Boat.