These two small, oval-shaped fossils were officially categorized as extinct plants and had ... specialized in turtles and identified the carapace, the bony upper shell of a turtle.

Who knew a tortoise could feel through its shell? Find out why most of what we think we know about tortoise shells is ...

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.