The Khazar theory has a long history but was largely discredited with the advent of DNA analysis. Yet it has grown in ...

Jordyn joined Investopedia in February 2025. She was previously a freelance writer covering lifestyle, entertainment, politics in the Midwest, and more. Getty Images Is an increased chance of missing ...

"Theories are like toothbrushes," it's sometimes said. "Everybody has their own and nobody wants to use anybody else's." It's a joke, but when it comes to the study of consciousness—the question of ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

A new experiment could prove a wild quantum theory of time. The secret is in tiny localized time variations, possibly caused by neutrinos. The theory is far out, but the findings will help other ...

Is an increased chance of missing a flight worth a shot at a shorter wait at the airport? Some travelers think so, based on the "airport theory" trend circulating on social media—even though many miss ...