This unique Florida park offers a rare hands on experience, letting visitors hunt for ancient shark teeth while exploring coastal beauty.

Charles Shelton Jr. says areas with fresh beach renourishment can be a gold mine for shark teeth and other finds.

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 ...

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PORTLAND, Maine — Sharks are the most feared predators in the sea, and their survival hinges on fearsome teeth that regrow throughout their lives. But changes in the ocean's chemistry could put those ...

As the best hunters in the ocean, sharks have scared and fascinated people for generations. They rule the ocean with rows of very sharp teeth and senses that can pick up even the smallest splash. The ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Sharks' teeth—some of nature's sharpest and most formidable weapons—may ...