Genes are short sections of DNA that determine an animal’s traits—everything from coat color and claw strength to body shape and health. But sometimes, these genes mutate. And while the word itself ...

After the Chernobyl reactor exploded in 1986, deadly radiation spread through the surrounding forests, killing animals, twisting trees, and leaving the area mostly uninhabitable for humans. But over ...

By examining how the viruses interact with immune systems in both human and bat cells, researchers found that a single ...

In the 1960s, Kimura’s neutral theory revolutionized molecular biology by arguing most DNA changes are random, not adaptive. A new study finds beneficial mutations are far more common than Kimura’s ...

Genes are short sections of DNA that determine an animal's traits—everything from coat color and claw strength to body shape and health. But sometimes, these genes mutate. And while the word itself ...