Scientists are studying whether a phenomenon called parthenogenesis, a rare form of asexual reproduction, or delayed fertilization, where fertilization occurs long after mating, could have occurred.

Shortfin makos are the fastest sharks in the sea, but they're failing to outpace the scale of overfishing that is driving ...

A research expedition in the Tonga Trench filmed a Pacific sleeper shark, a slow-moving, opportunistic predator rarely seen ...

A young shark whose species normally live in southern waters is raising questions for researchers after its discovery off ...

A Rhode Island fisherman’s video of an unusual shark led scientists to confirm the first documented young spinner shark in ...

The fossilized remains belong to Cosmopolitodus hastalis – an extinct mackerel shark closely related to the modern great ...

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

Yoko the swell shark was born in a habitat of all-female sharks who hadn't seen a male in years. The aquarium has two ...

According to the aquarium, the shark egg was first spotted eight months ago. The shark hatched a few weeks ago and the team ...

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