A mystery that started with the discovery of a pinkie finger bone in Denisova Cave in the Altai Mountains of southern Siberia may finally have been cracked.

A major evolutionary theory says most genetic changes don’t really matter, but new evidence suggests that’s not true. Researchers found that helpful mutations happen surprisingly often. The twist is ...

Scientists have reconstructed the head of an ancient human relative from 1.5 million year-old fossilized bones and teeth. But ...

Evolution is slow, but with the right experimental set-up—and enough time to spare—you can watch nature do its methodical ...

Why did humans evolve the eyes we have today? While scientists can't go back in time to study the environmental pressures ...

Repeated environmental changes can lead evolution in unexpected directions, and research from Vermont shows that studying a single population does not capture the full story of an entire species. All ...

The ancestors of our furry cats and dogs once looked similar to today's modern mongoose, a mammal with a long body and small, ...

The researchers think the pattern they observed in ants reflects a more universal trend in the evolution of societal ...

Researchers find Apennine brown bears evolved into a smaller, less aggressive animal after centuries of coexistence with ...