​Engravings On A Shell Made 300,000 Years Before Humans Evolved

Archaeologist Stephen Munro nearly fell off his chair when he noticed patterns of straight lines purposefully etched on a fossilized clamshell. The engravings were half a million years old, which meant they'd been made by a Homo erectus—an extinct human species that predated Homo sapiens by upwards of 300,000 years. » 12/03/14 2:40pm 12/03/14 2:40pm

How Farming Almost Destroyed Ancient Human Civilization

Roughly 9,000 years ago, humans had mastered farming to the point where food was plentiful. Populations boomed, and people began moving into large settlements full of thousands of people. And then, abruptly, these proto-cities were abandoned for millennia. It's one of the greatest mysteries of early human civilization. » 11/17/14 2:50pm 11/17/14 2:50pm

36,000-year-old Human DNA Reveals Europe's Deep Past

He was a European with dark skin and dark eyes. And his ancestry was mixed. A group of geneticists have sequenced DNA from the remains of a man who died 36,000 years ago in Kostenki, Russia, near the Ukraine border. The results are surprising, and could reveal a lot about how modern humans spread out of Africa. » 11/07/14 6:30pm 11/07/14 6:30pm

Haunting Cave Paintings in Indonesia Are the Oldest in the World

This stencil of a graceful, outstretched hand was discovered in a cave on an Indonesian island. And now we know that it's more than 39,900 years old. That makes it the oldest painting in the world, at least so far, and shows that humans in Asia developed symbolic expression at the same time as humans in Europe. » 10/08/14 1:30pm 10/08/14 1:30pm