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

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

Aristotle's views on the nature of the cosmos dominated the Ancient Greek world. He argued that there's only one world, at ...

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 ...

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 ...

You kind of knew that Steven Spielberg believes in aliens. But did you know know? In your heart of hearts? The man behind E.T., Close Encounters of the Third Kind, and War of the Worlds is leaving no ...

The following is an extract from our Lost in Space-Time newsletter. Each month, we dive into fascinating ideas from around the universe. You can sign up for Lost in Space-Time here. Modern physics ...

The actress chats with PEOPLE in connection with her new movie, 'Operation Taco Gary's' Brenda Song tells PEOPLE there’s one conspiracy theory she believes She says her fiancé, Macaulay Culkin, wasn’t ...

Defense Secretary Pete Hegseth speaks during a visit to Sierra Space in Louisville, Colorado, on Feb. 23, 2026. Defense Secretary Pete Hegseth said the Pentagon is “working” on identifying and ...

President Trump on Thursday directed his administration to release files on UFOs and any "alien and extraterrestrial life," an issue that has drawn decades of public fascination — and spawned more ...