Most sharks have five gill slits on either side. But Hexanchus griseus, a giant and mysterious shark species, has an even six ...

Older than dinosaurs and trees, sharks have endured a lot throughout their 450 million years on Earth. They’ve even survived five mass extinctions, including the asteroid that wiped out 75% of life on ...

SEATTLE – There’s a new pair of apex predators in Puget Sound. Two species of shark, one of which is critically endangered in some places, have been found in South Puget Sound, sparking a bit of ...

SARASOTA, Fla. (WWSB/Gray News) - Scientists in Florida have discovered a new species of hammerhead shark. The scientists are naming the new species after philanthropist and Microsoft co-founder Paul ...

Combining lasers and sharks may sound like a bad idea, but marine ecologists are banking on it to help save some of the ...

Researchers have made the first scientific confirmation in Puget Sound of two distinct shark species, one of them critically endangered. Oregon State University researchers have made the first ...

A rare bite into the past. The fossilized tooth of a newly discovered ancient shark species – dating back about 340 million years – has been unearthed in the world’s largest cave system, officials ...

Scientists may have been getting shark ages wrong. A new study uses chemical signals in bones to track age more accurately.

Warming waters are attracting more swimmers and sharks alike to the Eastern seaboard -- creating the perfect recipe for an ...