Tiny remnants of fossilized poop tell us where ancient humans lived

Figuring out when humans first arrived in a location is surprisingly tricky. Sometimes, you find a nice chunk of pottery or something, but oftentimes artifacts aren't as easy to find. Predators can leave bones that look a lot like ones that a human might butcher, and a natural fire leaves coal much the same as a… » 11/30/12 6:20am 11/30/12 6:20am

This skull pushes back human occupation of Southeast Asia and Australia…

An ancient skull found in a cave in the Annamite Mountains in northern Laos has revised our conceptions of when humans first occupied Southeast Asia and Australia. The skull, which is the oldest modern human fossil ever discovered in that part of the world, shows that ancient humans inhabited diverse habitats far… » 8/21/12 8:00am 8/21/12 8:00am

Why the shape of the Americas was bad for human settlement

There's still a lot we don't know about the first human colonization of the Americas, particularly the exact timing, but we do know that it took tens of thousands of years for humans to make it from Alaska to Chile. » 9/21/11 9:49am 9/21/11 9:49am