"It was so much bigger than what you would expect," Kori Garza said. Earth's oceans are full of big surprises -- something Kori Garza knows better than most. The marine biologist has been on thousands ...

A fisherman recently caught a tiger shark near the Cape shoreline, as the warm-water sharks make their way north. Researchers in recent years have predicted that tiger sharks would be popping up near ...

Researchers have documented Gulf torpedo rays (Torpedo sinuspersici) using electric shocks to deter large sharks. Photograph by Andy Murch, Nature Picture Library With powerful jaws and high levels of ...