The Nashville Zoo’s beloved tortoise Koraline recently enjoyed a “good shell scratch” while hanging out, video from the zoo shows. Koraline is an Aldabra tortoise, which is one of the largest types of ...

Techniques developed to study the distant past—from dating ancient artifacts to reconstructing climate records in ice ...

Cartoons often suggest turtles wear shells like removable armor. Those stories show turtles stepping out, swapping shells, or treating them like clothing. Biology disagrees. A turtle shell is not an ...

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, ...