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

Discover the latest news, features and articles about who Neanderthals were, whether they mated with modern humans and when they died out.

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 ...

Human activity may be triggering the greatest extinction event since the asteroid impact that wiped out the dinosaurs, according to scientists. Their study, based on a review of decades of research on ...

Almost half of the processes that are crucial to maintaining the stability of the planet have become dangerously compromised by human activity. That is the view of an international team of 18 ...