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, ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. Despite the popular belief that all sharks need to keep swimming or they'll die, many species of shark can get along just ...

We can't quite say sharks can be friends, but new evidence is showing us that sharks form social bonds with others and can work together — to a degree. Gray reef sharks regularly meet up together in ...

Grey reef sharks are having to abandon the coral reefs they call home in the face of warming oceans, new research finds. Scientists, using a combination of satellite remote sensing and a network of ...

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 ...