In Earth's fossil record, soft-bodied organisms like jellyfish rarely stand the test of time. What's more, it's hard for any ...

The natural world is full of animals that seem to defy logic, blurring the line between reality and imagination. Some look ...

People are full of surprises. And not just good ones. One person asked the internet to describe the most disturbing things ...

Decades of research with humans and other species indicate that males are more aggressive than females. But within the family ...

The oldest fossilized remains of complex animals appear suddenly in the fossil record, and as if from nowhere, in rocks that ...

Because animals have a limited capability of understanding human language, they cannot “read” the way humans do.

Meanwhile, the chimango is quickly becoming a vital part of the urban ecosystem. It helps control pest populations while also ...

Animals have evolved to sleep in extreme ways — for example, taking micro naps during parenting, sleeping on the wing during ...

From fish scaling waterfalls to monkeys stealing babies these animal discoveries in 2025 revealed how much we still do not ...

Utah biologists have characterized D. woaabi, the first of two nematode species recently discovered in the lake’s ...

With copper-blue blood prized by modern medicine and a body plan older than dinosaurs, the horseshoe crab reveals how ancient ...