The evolutionary case for eating meat is etched into human anatomy — but so is the case against it. The science deserves more ...

A tiny ancient reptile just revealed the moment breathing as we know it began — and it changed life on Earth forever.

Mammals and dinosaurs coexisted on Earth until a catastrophic event 66 million years ago killed 75% of life on the planet.

Giant, fearsome octopuses may have once ruled the ancient seas, according to new research that flips the script on their ...