Most people know only two things about the appendix: You don’t need it – and if it bursts, you need surgery fast. That basic ...

Research is shaking up how we think about evolution, suggesting there's a level of predictability influenced by genes and genetic history.

Are box turtles in worse shape than herpetologists thought? University of Toledo researchers raise the question in new ...

Some wasps and frogs evolved similar chemicals that cause pain in predators, even though the species are not closely related.

Evolution is perhaps the most extraordinary story ever told—a tale spanning billions of years that connects every living thing on Earth through an intricate ...

The story of life’s beginnings gets stranger when you look closely at viruses. These tiny entities seem to sit at the edge of biology.

If you've ever wondered what it would be like to natter with a Neanderthal or have a heart-to-heart with Homo Erectus, then ...

When closely related species mate, their offspring sometimes survive but cannot reproduce. This pattern often affects males first, with hybrid males frequently failing to produce functional sperm even ...

A single femur found in Bulgaria appears to represent an ape or early hominin that walked on two legs before any known African hominin, but the evidence is far from conclusive ...

Researchers have devised a new tool for discerning between naturally occurring viral outbreaks and those resulting from lab ...