Researchers say recently discovered teeth come from a previously undiscovered species of Australopithecus, adding to our understanding of human evolution. Maybe you've seen the T-shirts or the mugs, ...

Researchers identified some 3,300 types of brain cells, an order of magnitude more than was previously known, and have only a dim notion of what most of them do. By Carl Zimmer An international team ...

What unique processes conspire to create a healthy, functional human brain? How can we be so genetically similar to, say, chimpanzees, and yet be light-years more sophisticated cognitively and ...

Maybe you've seen the T-shirts or the mugs, the silhouette of an ape standing up straighter and straighter, finally morphing into a modern coffee-drinking man. Scientists have long known human ...