Neuroscientists have uncovered new insights into a key evolutionary question: Why can humans talk when most animals can't?

Scientists announced on March 5, 2026, that they have identified an entirely new genus of mammal called Tous, a group of ...

Take a mama salmon, for example. It lays thousands of eggs at a time which the males fertilize thoroughly. The salmon packs each egg with more yolk compared to an urchin, that means more proteins, ...

Most people know only two things about the appendix: You don’t need it – and if it bursts, you need surgery fast. That basic ...

Three tiny Purgatorius teeth found in Colorado are helping scientists trace how early primates evolved and spread across North America.

A monkey descending a tree trunk often keeps its head up, moving almost like a cautious climber backing down a ladder. Squirrels and many other mammals, by contrast, tend to go headfirst.

Certain species of wasps and frogs share a pain and inflammation peptide similar to one found in vertebrates to help defend against predators—a discovery that contributes to a shifting view of how ...

A few teeth, smaller than a grain of rice, are changing the map of your earliest primate relatives. They come from a creature called Purgatorius, a tiny tree-dwelling mammal that lived about 66 ...

For over a century, the appendix was considered a vestigial organ. However, recent research reveals it evolved multiple times across mammals, suggesting it provided an advantage. This pouch contains ...

A fossil that would fit on a baby’s fingertip has revealed fresh clues about the evolution of the earliest-known relative of ...

What makes Wadi al-Hitan extraordinary is the type of fossils found here. The valley contains the remains of Archaeoceti, an ...