What did the shark get on his biology test? A sea-minus. 51. Did you hear about the psychic shark? It can sea into the future! 52. Where’s the first place the shark visited ...

Ever wonder why sharks have so many differently shaped teeth or why they keep regrowing throughout their lives? Dr. David ...

Researchers in New Zealand have made what they believe is the first recording of a shark actively making noise.

callout: A single shark may run through upwards of 50,000 teeth in its lifetime. The shark pictured here is a composite. Moreover, it's a male composite. Finally, we only touch on some of the ...

Rows of these teeth emerge from gum tissue, reminding her of stones set in a mosaic. In a first, researchers have recorded what could be a shark making deliberate sounds. A small shark from New ...

This “chipmunk shark” packed quite a punch with its strange set of teeth. Its diet varied from shrimp to worms to hard-shelled brachiopods — generally crunchy things. The discovery ...