Turtle shells evolved over the course of 300 million years, but self-defense wasn't the initial driver, researchers think.

Add Yahoo as a preferred source to see more of our stories on Google. Shell integration typically involves 50 to 60 individual bones fusing into a permanent structural cage. The carapace creates a ...

A sea turtle’s shell is living bone fused directly to its spine and ribs. It is not a detachable shield or an external case, as certain quirky cartoons have shown. The shell grows with the turtle, ...

Turtles have shells that they can hide inside of when they feel like they’re in danger or when they are feeling anti-social and want everything around them to disappear. On the other hand, do turtles ...

Science is a discipline of questions. Many of these questions have puzzled great thinkers for a long, long time. Others have been completely overlooked, because we assume we know the answers. Case in ...

When we picture sea turtles in the wild, it's easy to envision them as armored warriors—their hard, resilient shells serving as near-impenetrable shields against oceanic threats like sharks. These ...

Sign up for the Concord Monitor’s morning newsletter for essential news each day, and our contests and promotions list for special offers and giveaways. In cartoons ...

Sea turtles have an average lifespan of 20 to 30 years. During that timeframe, they experience changes in ocean chemistry, ocean temperatures, and even prey abundance. Just how much sea turtles are ...

Add Yahoo as a preferred source to see more of our stories on Google. It's a long-held idea that turtles can tuck their heads into their shells when threatened. But is it true? And is this protective ...