This video revealed how Homo sapiens once lived in constant fear of a stronger, faster, more ruthless human species. It explained how Neanderthals dominated the ancient world, hunting our ancestors ...

Very few people live beyond a century. So, if no one had babies anymore, there would probably be no humans left on Earth within 100 years. But first, the population would shrink as older folks died ...

The millions of species humans share the world with are valuable in their own right. When one species is lost, it has a ...

A new scientific study is uncovering unprecedented details about the lives and genetics of extinct human relatives. An international team of researchers has determined the biological sex of an ...

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 ...

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 ...

(CNN) — The first known hand fossils from an extinct human relative have been unearthed in Kenya, revealing a species with unexpected dexterity and a gorilla-like grip. The hand bones, which were ...

New research finds extinction rates have been declining for a century, challenging assumptions of an ongoing mass extinction.