The life of a shark is one of constant, ceaseless movement. Sharks must keep swimming in order to be able to breathe, constantly moving in the water so that water flows over their gills, allowing them ...

"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 tiger shark with wanderlust has journeyed from the East Coast to just off the shore of Biloxi. On Aug. 29, while South Mississippi was recalling the destruction of Hurricane Katrina 20 years earlier ...

After 77 grueling days at sea, food and energy are already running thin—then a massive tiger shark appears in the shallows of the remote island. At nearly the length of the boat, its presence shifts ...

An isolated island now hosts some of the largest tiger sharks ever recorded. This video explains how unique food availability and long-term human activity may have reshaped an entire predator ...

Long before modern great whites prowled the seas, a colossal shark cruised the warm shallows off northern Australia. Its story begins on a rocky shoreline near Darwin, where a few heavy disks of ...