STANFORD, Calif. (KGO) -- If you ever come face-to-face with the wrong kind of shark, there's something you probably want to avoid. Just a hint: they're long and really sharp. But now, researchers at ...

Mammoth Cave National Park’s rich history of paleontological finds has now expanded with the discovery of a new species of ancient shark. The shark, named Macadens olsoni, is known for its unique ...

Recently, we dove deep on the world’s smallest shark (the dwarf lanternshark) and now we’re swinging to the other end of the shark size spectrum to look at the world’s largest fish. The whale shark is ...

Do they make dentures for sharks? In the future, they might need to, with recent research suggesting that sharks may lose their deadly bite to ocean acidification. Shark teeth are the envy of the ...

(CNN) — How will the climate crisis affect one of the ocean’s fiercest predators? New research published Wednesday has examined what might happen to sharks’ highly specialized, flesh-cutting teeth. As ...

Six fossilized great white shark teeth have been found on Narragansett Town Beach in Rhode Island within a year. The Atlantic Shark Institute is encouraging the public to report any further ...

Learn how Indigenous knowledge and modern science reveal the rare cookiecutter shark, which hunts on moonless nights.

A new species of shark was discovered in Kentucky's Mammoth Cave National Park.The ancient shark is called a "Macadens Olsoni."Experts say it had a distinct curved row of teeth, used to crush small ...