Human beings have been at the center of ecological change on Earth for thousands of years. But as history shows, no species ...

A new study suggests preeclampsia, a deadly pregnancy disorder, may have contributed to Neanderthal extinction.

Mass extinction is not just a theory; Earth has already gone through five of them, including the event about 65 million years ...

Add Yahoo as a preferred source to see more of our stories on Google. The long thumb and straight fingers would have allowed Paranthropus boisei to form a powerful grip, similar to how modern humans ...

Ancient humans crossing the Bering Strait into the Americas carried more than tools and determination—they also carried a genetic legacy from Denisovans, an extinct human relative. A new study reveals ...