Ever wonder why sharks have so many differently shaped teeth or why they keep regrowing throughout their lives? Dr. David ...

Some sharks have teeth that are flat and very strong. They are typically found in species that live at the bottom of the ocean and feed on hard-shelled animals such as crabs and shelled molluscs.

known as the "Shark Tooth Capital of the World," offers opportunities to find fossilized shark teeth. Heading to one of Florida's beaches for spring break? In between lounging in the sun and ...

Researchers in New Zealand found that a small species of shark makes noises with their teeth when touched by humans — and now ...

Researchers in New Zealand have made what they believe is the first recording of a shark actively making noise.

Here are some beaches in Palm Beach County where you have the best chance of finding shells and shark teeth: Kristen Moretti of West Palm Beach crouches amongst thousands of sea shells washed up on ...

helping make these fossils a fairly common find. Along with teeth, the existing fossil record includes parts of giant shark skeletons from the same period, including a 36-foot-long (11-meter-long ...