Faced with a rash of shark deaths marked by brain swelling, Canadian and American scientists are trying to solve a marine ...

Turns out, there's more to the shark than sharp teeth and gills. Read on to learn about these misread sea dwellers.

Experts say the case is either a rare form of asexual reproduction or an instance of (very) delayed fertilization ...

On Jan. 3, a swell shark egg hatched at Shreveport Aquarium in Shreveport, Louisiana. The egg was discovered by aquarium ...