Scientists uncovered how whole-genome duplication emerges and remains stable over thousands of generations of evolution in the lab. Sometimes, the most significant scientific discoveries happen by ...

Evolution has long been viewed as a rather random process, with the traits of species shaped by chance mutations and environmental events — and therefore largely unpredictable. But an international ...

The relationship between changes in the environment and evolution in wild animals is not a one-way street, according to a new study that includes a Penn State biologist. The study shows that ...