An ancient reptile once thought to be an early turtle ancestor actually belonged to an entirely different group.

A 260 million-year-old fossil has been determined to be the oldest ancestor of turtles found to date, revealing something about the reptile's mysterious past. Michelle Starr is CNET's science editor, ...

The origin of turtles has always been a bit of a puzzle for scientists who study the evolution of animals. To this day, where ...

For decades, turtles have stumped scientists trying to place the shelled reptiles on the evolutionary tree. Now, a new study ...

Paleobiologists have discovered exceptional specimens in Venezuela and Colombia of an extinct giant freshwater turtle called Stupendemys. The carapace of this turtle, which is the largest ever known, ...

A research team led by NYIT scientist Gaberiel Bever has determined that a 260-million year-old fossil species found in South Africa's Karoo Basin provides a long awaited glimpse into the murky ...

Sometime between 5.5 and 5.6 million years ago, two shell crushers squared off in the languid currents of an ancient Florida ...

On a spring day in 1978, a fisherman caught a tiger shark in the lagoon surrounding Enewetak Atoll, part of the Marshall Islands in the north Pacific. That shark, along with the remains of a green sea ...