Perhaps no modern politician has done more to mainstream conspiracy theories than President Donald Trump.

A fictional theory created by H. P. Lovecraft ended up changing 2001: A Space Odyssey - and the world.

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 ...

Behind the acid blood and jump scares of the Alien franchise is an even more insidious horror: a single employer with ...

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

When a former CIA officer and a Venezuelan fixer flew to Palm Beach, Fla., two years ago to brief top Trump campaign officials on how Caracas had manipulated the 2020 election, their ideas were ...

More stories by Kevin P. Details about Steven Spielberg's latest are trickling out, and there's a good reason for that. The film legend took the stage in Las Vegas at CinemaCon with one of his stars, ...

The ideas in this particularly juicy conspiracy theory were considered impossible when it was first proposed, but they are ...