Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about ...

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

Disclaimer: Any alien-related details in this piece are a work of satire, and the consequences of AI overuse are only slightly exaggerated. For decades, people have wondered about alien intervention ...

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 ...

Most people alive today carry fragments of Neanderthal DNA in their genome. Now scientists are gaining a more intimate understanding of the ancient encounters that put it there. By Carl Zimmer One of ...

Mitral regurgitation is the most prevalent valvular heart disease in humans. It's also common among dogs, especially older and smaller breed dogs. In both species, the mitral valve fails to close ...

Over hundreds of thousands of years, humans somehow evolved a type of intelligence found nowhere else in the animal kingdom, at least on Earth. According to the most famous theory describing the ...

Aliens have been making headlines thanks to former US President Barack Obama’s remark in a podcast interview that they were “real but I haven’t seen them.” On Radio 4’s flagship new programme Today, ...

Finger length may reveal more than you think about human evolution. Boys with higher prenatal estrogen exposure showed larger head sizes at birth, pointing to a possible hormonal boost behind the ...

Playing a complex guitar solo ought to be impossible. To elicit the desired torrent of notes, the fingers of one hand must move nimbly around the fretboard, while the other hand plucks the strings, in ...