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 ...

National Geographic The photos capture animals, people, and nature coexisting in fascinating ways. Among the 20 images is a shot of a rare black tiger, a big cat that gets its name from its extra ...

Prasenjeet Yadav/National Geographic A rare black tiger with tell-tale merged stripes patrols the Similipal Tiger Reserve in India. Black tigers are one of three color variants found among Bengal ...

UPDATED with latest: A magnitude 7.0 earthquake struck at 10:44 a.m. this morning near Eureka, California. Initial reports ...