Sand tiger sharks, also known as gray nurse sharks, have a deceivingly ferocious look. They are large-bodied and display a mouthful of sharp teeth that protrude in all directions, even when the ...

This story appears in the June 2016 issue of National Geographic magazine. This summer, we’ll look at three shark species with notorious reputations: tiger sharks, great whites and oceanic ...

Olympic swimmers have been known to eat 10,000 calories a day, but they have nothing on a tiger shark, which can consume more than that in a single bite. That didn't stop ultra-athlete Ross Edgley ...

Hammerhead sharks may hold their breath. Why? Hammerhead sharks may hold their breath. Why? Which has a stronger bite: hammerheads or tiger sharks? Which has a stronger bite: hammerheads or tiger ...

These Sharks Once Ruled the Seas. Now They’re Nearly Gone. These Sharks Once Ruled the Seas. Now They’re Nearly Gone. How Tales of Shark Attacks Shaped a U.S. Warship’s Legacy How Tales of ...

Why are cell phone contaminants showing up in tiger sharks? Why are cell phone contaminants showing up in tiger sharks? Which has a stronger bite: hammerheads or tiger sharks? Which has a stronger ...