You've probably come home from the beach with a collection of pretty rocks and shells at some point. If you're lucky, you might find one that's a rare color or particularly shiny. The sea can throw up ...

CARTERET COUNTY, N.C. (WITN) - It’s not uncommon for divers to find shark teeth, but a 5.8 inch megalodon tooth is a different story. “I was like thank you lord! Man, I’m like down there losing my ...

Add Yahoo as a preferred source to see more of our stories on Google. If you're excited about Discovery's "Shark Week" and the celebrations around the 50th anniversary of the classic "Jaws" film, ...

Shark Tooth Sword, Kiribati, late 19th century, wood, shark teeth, plant fiber, Museum Purchase, Courtesy of the Reading Public Museum, Reading, Pennsylvania, 1918.450.1 These sharks are not the Great ...

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 weapons at risk.