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 ...

Jacob Danner has searched a Florida beach for washed-up items almost every sunrise for the past year. But three weeks ago, Danner, an art curator, found his first megalodon tooth - 3 inches long, and ...

Tom Pierce’s hands move with precision as he wraps each black shark’s tooth with wire, laying them in a row on the glass counter. The process only takes a few minutes to create each piece of jewelry, ...

Megalodons are considered the largest sharks, and possibly the largest fish, to have ever roamed Earth’s oceans. They lived over 20 million years ago and were once thought to be related to the great ...

Even sharks’ famous tooth-regrowing ability may not save them from ocean acidification. Researchers found that future acidic waters cause shark teeth to corrode, crack, and weaken, threatening their ...