You may think that since sharks have noses, they use them for breathing. However, unlike mammals, they use them only to smell, not to breathe. Sharks are fish, so they do not have lungs, either. So ...

Sharks have between 5 and 7 gill slits located on the side of their head. Sharks have long captured our fascination with their sleek bodies, sharp teeth, and predatory success. Yet, beneath this ...

The amount of human debris and litter in the oceans is a serious danger to wildlife everywhere. The most dangerous types of debris for wildlife is plastics and derelict fishing gear like old nets.

Dozens of sharks washed ashore in North Carolina -- all of them bleeding from their gills and mouths. North Carolina Department of Environmental Quality's Division of Coastal Management said the more ...

PORTLAND, Ore. (AP) — Joseph Tanner was resting his arms on his surf board, his lower body dangling in the water, when something grabbed his right leg and yanked him under the waves. In an instant, ...

At first glance, sharks and nuclear power seem to have nothing in common. But recently, researchers at Polytechnique Montréal (Montreal, QC, Canada) were inspired by shark gills to invent a biomimetic ...