During these waves of mass extinction, most vertebrate survivors were confined to refugia, or isolated biodiversity hotspots ...

The results revealed a clear sequence. Enzymes predating cannabis showed no ability to process CBGA. The first enzyme unique ...

A new study from the University of Michigan suggests that organisms could get better at evolving over time. Researchers used a computer program to simulate organisms switching between beneficial and ...

As early humans spread from lush African forests into grasslands, their need for ready sources of energy led them to develop a taste for grassy plants, especially grains and the starchy plant tissue ...

A fish thought to be evolution’s time capsule just surprised scientists. A detailed dissection of the coelacanth — a 400-million-year-old species often called a “living fossil” — revealed that key ...

One hundred years ago a young teacher, John T. Scopes, went on trial in Dayton, Tenn., for violating a recently enacted state law that forbade the state’s educators “to teach any theory that denies ...

Researchers found that ancient hominids—including early humans—were exposed to lead throughout childhood, leaving chemical traces in fossil teeth. Experiments suggest this exposure may have driven ...