One of the biggest quests in biology is understanding how every cell in an animal's body carries an identical genome yet ...

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 ...

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

Some ants thrive by choosing numbers over strength. Instead of heavily protecting each worker, they invest fewer resources in ...

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

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 ...