Picture finding a shark tooth older than human civilization while standing knee-deep in the Chesapeake Bay. That’s just a ...

A newly discovered prehistoric mammal may hold clues to how life survived the dinosaur-killing extinction. The tiny species, ...

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.