Orcas — also known as killer whales — are once again on the offensive. Their new target is whale sharks, the world's largest fish species. According to CNN, a new study — published in the journal ...

Killer whales are known for their intelligence and power, even an inclination to sink yachts. Now, research is showing how they take down prey that few other animals can. Why it matters ...

The killer whale pod in Mexico hunts and attacks much larger whale sharks by targeting them from below, a study finds Kelsey Williamson Orcas — also known as killer whales — are once again on ...

Killer whales are known for their intelligence and power, even an inclination to sink yachts. Now, research is showing how they take down prey that few other animals can. Orcas in Mexico's Gulf of ...

Hawaiʻi is the only place where theyʻre endangered. A concerningly high number of endangered false killer whales are being injured when they get hooked by fishing gear in waters off the main ...

They chat companionably and have babysitting groups. They know, and vocalise, the pain of bereavement and separation. If a killer whale matriarch dies traumatically, the psychological scars can be ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A male humpback ...

A humpback whale that had been thrilling boaters off Newport Beach, Ca., for several days breached for a prolonged period Sunday, revealing that the mammal is hardly free and thriving.

The Gulf of Mannar is a biodiverse area with several rare species living in the region. Earlier in May, a rare pygmy killer whale was found beached ashore near Narippaiyur village in Ramanathapuram ...