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.

And when people are convinced that they know a secret, world-shaking truth, they are willing to wait a long time for ...

Over the last decade, since the work of a shadowy government program called the Advanced Aerospace Threat Identification ...

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 ...

Do aliens exist? Could Earth really be the only planet hosting intelligent life? Debates over the existence of extraterrestrials date back to the earliest Indigenous and western thought. The tools ...

Speculation about links among a handful U.S. scientists who have died or disappeared in recent years was largely confined to niche online communities less than two months ago. As of Friday, the number ...

ROB FINNERTY (HOST): And whether you believe in them or not, everybody has heard about beings from another planet. And the descriptions are almost always the same. They're smaller, big eyes, big heads ...

A new study proposes detecting life in space by spotting patterns across many planets instead of focusing on one at a time. If life spreads and changes planetary environments, it could leave behind ...

Viral posts link deaths and disappearances to UFO programs and nuclear secrets. Here’s what’s known — and what doesn’t hold ...

For decades, the construction of the Great Pyramid of Giza has sparked one of history’s biggest mysteries and plenty of wild theories. From secret lost civilizations to alien intervention, many people ...