Most of us have probably heard the symbolic tale of the race between the slow and steady tortoise and the fast, but overconfident, hare. While the lessons at the heart of this fable may serve as good ...

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, ...

This one-ton turtle once ruled South America’s rivers — until a changing planet proved too much for even the largest freshwater giant.

Dr. Universe: Why can’t sea turtles pull back into their shell? I was at the St. Louis Zoo, and they said tortoises and other turtles can pull back into their shells. – Tyler, 7, Missouri There are ...