Single-digit wind chills and a weeklong string of below freezing temperatures paint the Cape Cod water's edges with sea ice.

Jervis Bay, Jervis Bay Territory, New South Wales, Australia Info from Licensor: "A Port Jackson shark emerges from the ...

But the vast majority of sharks have a buccal (mouth) pump and are not so-called "obligate ram ventilators." (Ram ventilators like hammerheads and great whites must swim to pass water over their ...

Its gaping mouth has six rows of teeth in its upper jaw, and nine rows below, for a total of about 1,500 tiny, hooked teeth. The basking shark’s scientific name, Cetorhinus maximus, roughly ...

“The male was observed to open its mouth and lunge forward towards the caudal fin of the female,” the authors write in the study. “The male shark increased its swimming speed and lunged ...

also known as gray nurse sharks, have a deceivingly ferocious look. They are large-bodied and display a mouthful of sharp teeth that protrude in all directions, even when the mouth is shut.