Researchers find mysterious aztec codices in Mexico City. See more in this clip from Season 21, Episode 7, "Mysteries of the Aztecs." ...

When cruelty is mistaken for courage, vengeance for justice, and the taking of human life for a demonstration of strength.

Before his death, Stephen Hawking consistently warned humanity against contacting aliens. As interest in UFOs and little ...

The Nature of the 'Indescribable Heartburn' That Remains After Leaving the TheaterFirst, let's establish the facts. Steven ...

Fake DHS flyers turn up on Alexandria cars during early voting. Police now have doorbell footage of the culprit.

One of Star Trek's wildest episodes is scarier than a horror film. Even more terrifying is the massive cliffhanger it leaves ...

The 1970s were a wild time for science fiction cinema. Filmmakers took bold risks, blending mind-bending ideas with ...

The spectacle of public executions. Deadly military strikes on foreign countries. Innocent civilian lives lost to war.

An Apollo 16 astronaut claims UFOs are actually demonic spirits sent by the devil to trick humanity, warning that mysterious ...

Baba Vanga's alleged 2026 predictions include alien contact and political changes in Russia, but historical evidence remains ...

‘We’re creating alien beings … and the reality is we only have a couple of years to adapt to that’ … computer scientist Geoffrey Hinton in Toronto, Ontario. Photograph: Cole Burston/The Guardian The ...