Predators in perpetual motion, sleepless in our seas. If that’s your image of sharks, you are not alone. And for good reason: we once believes that sharks must keep swimming to breathe. Since then, ...

While diving off the coast of Mauritius in the Indian Ocean, wildlife photographer Stephane Robert came across something unusual. Swimming into view was a large gray reef shark, unlike any she had ...

Despite the popular belief that all sharks need to keep swimming or they'll die, many species of shark can get along just fine staying still. Gray reef sharks are the most recent species now ...

Predators in perpetual motion. Sleepless in our seas. If that’s your image of sharks, you’re not alone. And for good reason: sharks must swim to breathe (or so we were told). The science of how sharks ...