A few months earlier, researchers reported the first instance of a lone killer whale hunting and eating a great white shark ...

Recently, a whale watching crew off the coast of San Diego, California, got to witness these majestic beauties in action, ...

Keto the killer whale, who spent his whole life in captivity and fatally attacked his trainer Alexis Martínez in 2009, has ...

A whale shark being brought to the surface by killer whales. (Credit: Kelsey Williamson) In the Gulf of California, an ...

While this ocean mammoth is dubbed “blue,” its color is more a reflection of the water it swims in — its skin is actually ...

An endangered fin whale that washed up near a coastal trail in Alaska's largest city has attracted curious onlookers while ...

Russian rescuers returned a young female killer whale to the Sea of Okhotsk on Thursday after the orca beached in the far ...

In the first hearing test of live baleen whales, the animals detected much higher frequency sounds than expected, forcing ...