When you buy through links on our articles, Future and its syndication partners may earn a commission. The broad-shelled river turtle (Chelodina expansa) falls into a group known as side-neck turtles.

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, ...

SAN DIEGO (KGTV) — A tweet from a UCSD Postdoc went viral this month. Turtle expert Ceri Weber posted that a turtle's shell is actually not a shell at all, but rather a set of modified ribs. It's true ...

Shell integration typically involves 50 to 60 individual bones fusing into a permanent structural cage. The carapace creates a mechanical constraint that prevents the chest from expanding during ...

The ocean can be an extremely dangerous place, even for an animal that migrates through and rides its currents for decades.

Humongous Turtle Shell Unearthed. This shows an 8-million-year-old turtle shell that measured nearly 8 feet (2.4 meters) was ...

The sea creature arrived at San Diego's Birch Aquarium in 2014 Ingrid Vasquez is a Digital News Writer at PEOPLE. She graduated from The University of Texas at Austin with a Bachelor in Journalism.

Earlier this month, Coastal Connections, Inc. (CCI) took in a hard-shelled sea creature with an unusually fluffy coat.