In a move reflective of a viral meme, a new study shows that an ancient fish really did evolve to walk out of the water, only to then go back to the sea.

A new study refutes the popular idea that a woodpecker's brain is cushioned from the violent impacts of pecking. It offers a different reason the birds avoid brain damage.

Birth control pills are available in the U.S. only with a prescription. Now a drugmaker is asking the FDA to approve a progestin-only contraceptive that would be available without one at pharmacies.

A mastodon named Fred, also known as the Buesching mastodon, is a distant relative of the modern elephant. His remains reveal the story of his life and violent end.

For centuries, scientists and historians have wondered where the Black Death — the deadliest pandemic in recorded history — came from. New research sheds light on the ancient disease.

For centuries, scientists and historians have wondered where the Black Death — the deadliest pandemic in recorded history — came from. New research sheds light on the ancient disease.

The testing system set up by the CDC actually deters doctors from ordering a monkeypox test, and many physicians aren't familiar with the disease, resulting in too few tests and little tracking.

Climate change has impacted the world's water, air and land masses. But today's news media isn't designed to reinforce public belief, say researchers.

A new study from Australia shows that larvae of the darkling beetle can eat polystyrene — the material behind plastic foam.

A new study from Australia shows that larvae of the darkling beetle can eat polystyrene — the material behind plastic foam.

NPR talks to Claire Hannan, who has helped navigate vaccine rollouts in all 50 states, about some of the challenges involved in quickly getting shots out to millions of young kids.

Some scientists estimate that cases of long COVID from omicron will still rise, however, because of high transmissibility and the misconception that people don't have to worry about catching it.

Despite a high risk of brain injuries, military personnel rarely develop a disabling brain condition often found in former boxers and football players.

An ancient Greek inscription on a marble slab has been sitting in a museum for over 130 years. Researchers have learned it's a list of young men who had graduated from a military training class.

An ancient Greek inscription on a marble slab has been sitting in a museum for over 130 years. Researchers have learned it's a list of young men who had graduated from a military training class.