We've long assumed our species evolved from a tidy, single stream of ancestors. But life on Earth is never quite so straightforward, especially not when it comes to the most socially complex species ...

Our Human Evolution gallery explores the origins of Homo sapiens, tracing our lineage since it split from that of our closest living relatives, the chimpanzee and the bonobo. Gallery developer Jenny ...

Ardipithecus ramidus is a female who lived 4.4 million years ago. Her skeleton has been described as one of the most important discoveries of the past century. Tim White 2009, From Science Oct. 2 ...

A new Colorado State University study of the interior U.S. West has found that tree ranges are generally contracting in response to climate change but not expanding into cooler, wetter climates ...

A new group of ancient humans, the Juluren, has been proposed in Nature by Xiujie Wu of the Chinese Academy of Sciences and Christopher Bae of the University of Hawai'i. These "large head people ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Scientists have identified prehistoric stone tools found in Poland as some of the ...