Great white sharks have long ruled the open ocean, but a new and highly organized rival is beginning to reshape that balance ...

When killer whales appear, the ocean changes. Tagging data and eyewitness accounts show great white sharks abandoning feeding ...

A 12-foot, 1,000-pound great white shark recently tagged by OCEARCH scientists pinged repeatedly off the SW Florida coast.

A massive great white shark, newly tagged by OCEARCH, pinged off Florida.Find out where the shark was tracked.

Swimmers are being urged to remain vigilant by local authorities after the victim's surfboard was left punctured with tooth ...

Scientists say dolphins and orcas have teamed up to hunt salmon off British Columbia. It’s the first time such behavior has been documented between the two mammals.

Some say they got this name because sailors noticed their ability to dispatch enormous whales and dubbed them ‘whale killers’ ...

An 11.5-foot, nearly 800-pound great white shark’s movements mark some of the first documented tagged white sharks to travel ...

Researchers have dated vertebrae from a massive prehistoric shark thought to have ruled the waves off northern Australia back ...

Like corn kernels in slowly heating oil, the orca sightings began sparse and unpredictable. But at some imperceptible moment, ...

Kshamenk, was known as the loneliest killer whale in the whale, after his mate died in captivity back in 2000 - park ...

Her movements support new findings that great whites are entering the Gulf more commonly than previously believed.