Fossils reveal an ancient platypus species (Obdurodon insignis) that still had teeth, offering insight into how this unusual ...

A remarkably preserved, mummified reptile from 289 million years ago is rewriting what we know about how animals first ...

Between 50,000 and 10,000 years ago, many of the world's largest mammals disappeared. Picture creatures like saber-toothed ...

Just like vertebrates, cephalopods — such as octopuses and squid — have elaborate brains. Neuroscientists are flocking to ...