These “walking sharks” can lay eggs without spending extra energy, rewriting what scientists thought they knew about reproduction.

A single ancient jawbone is rewriting what scientists thought they knew about humanity’s forgotten relatives.

“While the human penis functions primarily to transfer sperm, our result suggests its unusual large size evolved as a sexual ...

Aside from our big brains, the trait that most distinguishes humans from other animals is our ability to walk fully upright on two legs, a style of movement without parallel in the animal kingdom. But ...

Here’s what you’ll learn when you read this story: The Dmanisi Hominid Archaeological Site is home to the oldest hominid fossils in Europe, and many studies have tried to sort through the fossils to ...

The textbook version of the "Out of Africa" hypothesis holds that the first human species to leave the continent around 1.8 million years ago was Homo erectus. But in recent years, a debate has ...

Who said it first, no one knows. But Frederick the Great, warrior ruler and enlightened despot of 18th-century Prussia, said it well. “The only, absolute and best friend a man has, in this selfish ...

Two men were arrested on suspicion of human trafficking and other crimes during a multi-agency operation Tuesday, the Bakersfield Police Department reported in a news release Friday. It said Jesus ...

Something about a warm, flickering campfire draws in modern humans. Where did that uniquely human impulse come from? How did our ancestors learn to make fire? How long have they been making it?

Two human rights proposals at Microsoft’s annual shareholder meeting drew support from more than a quarter of voting shares — far more than any other outside proposals this year. The results, ...

Human biology evolved for a world of movement, nature, and short bursts of stress—not the constant pressure of modern life. Industrial environments overstimulate our stress systems and erode both ...

I began thinking about invasive species this past summer when two of them made their first appearances in my yard. No, they were not my in-laws. Like in-laws, though, the Asiatic jumping worms and the ...