Seashells are so plentiful that you may sometimes take them for granted. Scientists have estimated that just one small stretch of beaches along the Gulf of California contained at least 2 trillion ...

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 ...

Sometimes animated turtles seem to live inside their shells like it’s a tiny home. They may even hop out of the shell and run around. That’s funny in cartoons and games, but my friend Ryan Wagner told ...