Measuring the Greenland shark’s growth rate is challenging because individuals are rarely recaptured. However, one shark tagged in 1936 had only grown 2.3 inches when it reappeared 16 years later.

Nicknamed the Ginsu shark after the kitchen knife that slices and dices, Cretoxyrhina ripped apart prey with a mouth full of razor-sharp, bone-shearing teeth. Evidence suggests Cretoxyrhina fed on ...

The 21st episode of the 11th season of ABC's "Shark ... Sony Pictures Television YouTube channel, was for Tanoshi, an Android-based two-in-one tablet computer specifically made for kids.