Stories like the recent heartwarming discovery researchers made about the Yellowstone bison or the unique one-in-a-million ...

Fossils unearthed in New Zealand reveal Kumimanu fordycei, a giant penguin from the Paleocene epoch, weighing around 350 ...

This 350-pound penguin from 57 million years ago could outswim sharks, outweigh Shaq, and change everything we thought we ...

Researchers analyzed fossils and DNA to get a big-picture view of sloth evolution and determine what drove their immense size ...

During the years after the Civil War, America embraced an economic philosophy called laissez-faire, celebrating the notion ...