The next time you go wild swimming, whether in a lake, river or sea, you are probably sharing the water with one of your tiniest, yet closest relatives. Subscribe to our newsletter for the latest ...

Until now, there was a conflict in the field of paleontology. Genetic analysis of how fast traits mutated and evolved ...

The transition from water to land is a question that still intrigues scientists. Those ancient organisms would have needed to ...

When the environment changes dramatically, animals from mollusks to crows can make big changes in their behavior that enable ...

The reptiles and mammals that descend from them, however, use muscles associated with their ribs and shoulders to contract ...

Newfound fossils from China suggest that complex animals were around millions of years earlier than thought, among them ...

A treasure trove of fossils from China shows that the Cambrian explosion may have been less explosive than scientists once ...

A new study reveals how squid and cuttlefish began in the deep sea and survived Earth’s biggest extinction to thrive ...

Every animal with a brain needs sleep — and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and even jellyfish sleep. Sleep is universal “even though it’s actually very ...

The human ability to cook may seem ordinary, but it marks one of the most important evolutionary turning points in our ...

Animals that adapt behaviorally may evolve physically more slowly, showing resilience rather than weakness in changing ...