For nearly two centuries, scientists have tried to solve an enduring mystery about a giant millipede-like animal named Arthropleura that used its many legs to roam Earth more than 300 million years ...

This is definitely one creature you wouldn’t want to run into in a dark alley, at least if you were around 500 million years ago. There was only one opabiniid species thought to have existed. Opabinia ...

Rare fossils preserving the brains of creatures living more than half a billion years ago shed new light on the evolution of arthropods such as insects and crustaceans. Exquisitely preserved fossils ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Amber preserves all sorts of fossils from mating termites to tiny ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. For nearly two ...