Imagine zooming out on a giant family tree that includes every bird you have ever seen. Ostriches sprint across open plains, ...

A study conducted by researchers at the University of Liège on a large population of Japanese giant salamanders—one of the ...

Whatever challenges life throws, mothers often know best as they guide offspring through the risky stages of early development. This scenario, familiar when applied to humans, turns out to be true for ...

Most shark fossils are just teeth—their cartilage skeletons usually decay long before they can fossilize. But in northwestern ...

Oxygen fills the air today, but for most of Earth’s early history it barely existed. Scientists say the atmosphere did not hold steady oxygen until about 2.

Ancient enzymes show life’s nitrogen signal stayed unchanged for billions of years, helping scientists read early Earth.

Southeastern Dental Center announces the release of a structured informational guide examining the ongoing shift of smile enhancement from a category historically viewed as elective to a component ...

Hybridization between domestic animals and wildlife is a growing concern worldwide, particularly as feral pigs and wild boar increasingly overlap. A ...

Scientists have uncovered an unexpected genetic shift that may explain how animals with backbones first emerged and became so diverse.

The discovery takes us to Chicago, where a mysterious specimen arrived encased in rock at the Field Museum in 2022. It was ...

American pronghorns evolved speed millions of years before cheetahs, helping movement and survival in changing landscapes.

Life began in the sea, and it took a long time to move onto land. Plants started creeping ashore about 475 million years ago. Roughly 100 million years later, the first backboned animals followed. For ...