A new species of hammerhead shark has been discovered in South Carolina, but summer swimmers don't have to worry—it's the sharks that are in danger, experts say.

"I pushed the animal, and it immediately took off my hand," says an Indian villager, recounting her shark encounter in this video.

It may have been seen thousands of times by fishermen, but this new species of shark was discovered by scientists only recently in Mexico.

Brain implants may allow humans to remotely guide some shark behavior. The work could create the next generation of stealthy undersea spies.

In a bid to study and protect great hammerhead sharks, a marine scientist hopes to attach satellite-tracking tags to the 500-pound (230-kilogram) predators—by hand.

Replay the year in science, nature, and exploration with the ten most popular videos from National Geographic News.

Squeezed into a six-figure shark costume, explorer Fabien Cousteau—Jacques's grandson—dove among great whites for the new TV special Shark: Mind of a Demon.

Barnacles produce an epoxy-like cement that can stick to Teflon, not to mention hulls and rudders. Can artificial sharkskin bid the pests adieu?

Shark expert Ramón Bonfil fits motion-tracking satellite tags onto great white sharks—by hand.

Swarms of up to 200 lemon sharks off the Florida coast have enabled marine biologists to get face-to-face with the still-enigmatic species.

Scientists are developing shark deterrents for use along beaches. Can the new tools convince people it's safe to go in the water?

Bull sharks are chewing up the headlines this summer, but statistics suggest that most of us have little to fear from the marine predators.

For the past three years, shark expert Ramón Bonfil has been fitting motion-tracking satellite tags onto great white sharks—by hand. (Includes six-image photo gallery)

Two shark attacks in three days along Florida beaches have left one teen dead and a second seriously injured. The tragedies spotlight the real, though rare, danger of shark attacks.

The premiere of Jaws 30 years ago had a mixed impact on great white sharks. Publicly vilified, the predators also drew more scientific scrutiny.