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 ...

Most closely related to dugongs, it was discovered in 1741 by biologist Georg Wilhelm Steller, after the expedition to North ...

Stone tools discovered decades ago in a Polish cave have been reexamined using modern methods, revealing an age far older than previously believed. Dated to between 450,000 and 550,000 years ago, the ...

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 discovered ...

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 ...

(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 ...

The tragic news of the loss of the world's last remaining northern white rhino begs the question: Can it be brought back?