Sperm whales, the largest predators of the ocean, dive deep into the abyss, where no human dares to venture, and face off ...

The orca, also known as the killer whale, is one of the most fearsome predators of the ocean. With incredible speed, strength, and intelligence, orcas dominate the seas, preying on everything from ...

The most recent data from NOAA shows a major decline in gray whale populations compared to a year ago. Here's what to know.

Photographer Brian Skerry swims with killer whales and discovers these apex predators have unique cultures that aren’t that different from our own. An Orca calf swims with two adults through ...

Kamea, a killer whale born into captivity in SeaWorld San Antonio, has died after contracting an undisclosed illness, the ...

Researchers bring a SETI approach to the question of what—if anything—humpbacks’ underwater smoke rings might be trying to ...