Sharks have been evolving for more than 450 million years, developing skeletons not from bone, but from a tough, mineralized form of cartilage. These creatures are more than just fast swimmers—they're ...

A diet of poor-quality scraps is changing the behavior and physiology of blacktip reef sharks Around the world, snorkeling or diving tourists who want to see sharks in their natural habitat may lure ...

One of a blacktip reef sharks’ top teeth as seen under a scanning electron microscope. CREDIT: Maximilian Baum (HHU) / Steffen Köhler (HHU). Get the Popular Science daily newsletter💡 Breakthroughs, ...

This species is responsible for the most shark bites in Florida. — -- People aren’t the only ones heading to Florida for warmer weather. Over 10,000 sharks have situated themselves just off the ...