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 ...

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 ...

At first glance, the world’s second largest fish might seem menacing: Its gaping mouth has six rows of teeth in its upper jaw, and nine rows below, for a total of about 1,500 tiny, hooked teeth.

Between eight and 14 feet but can reach up to 23 feet Using this method, scientists discovered Greenland sharks have a life expectancy of at least 272 years and could reach 392, give or take about ...

Laurent Ballesta and his team built a semicircular rig of 32 synchronized cameras to capture this “bullet time” video sequence of sharks descending on a grouper at Fakarava Atoll. This visual ...

Cretoxyrhina was one of the largest sharks and a formidable predator in the Late Cretaceous seas. Nicknamed the Ginsu shark after the kitchen knife that slices and dices, Cretoxyrhina ripped apart ...

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 ...

A version of this story appears in the July 2018 issue of National Geographic magazine. They are on a boat dock, hands coated with the innards of a yellowfin tuna, when Konini Rongo and Bella ...

This story appears in the August 2017 issue of National Geographic magazine. Zane Grey made his name writing adventure novels about the American West, but his real love wasn’t gunslinging or ...