This visual guide explains the interactions that orcas, also known as killer whales, are having with ships and why scientists think it's happening.

I n the waters off Washington State, a mother orca has been seen pushing her dead newborn calf, seemingly in mourning. It isn ...

Freakiest but coolest encounter ever.” Orcas show up at New Zealand lineup, then ride waves with surfers in the water.

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review spanning two decades has revealed a little-known, yet intriguing behavior.

Researchers document a behavior called "allokelping" in which one killer whale uses kelp to massage the back of another killer whale, near San Juan Island (Reuters) -Killer whales are known for ...

UNDATED (WKRC/CNN Newsource) - Scientists discovered that a pod of orcas have developed a new method for killing whale sharks, the world's largest fish. Scientists have believed that killer whales, or ...

A tourist yacht sank off the coast of Portugal after being attacked by a pod of killer whales. The boat, which was carrying ...

Two killer whales scrubbing kelp between their backs, also known as “allokelping.” Credit: Center for Whale Research, NMFS NOAA Permit 27038 Lots of animals use tools to get their food, but ...

MELBOURNE, Australia (AP) - Marine experts have given up hope of rescuing more than 150 false killer whales that stranded on a remote beach on Australia’s island state of Tasmania, officials said on ...

Killer whales trapped under ice in a remote Quebec village have reached safety. Jan. 10, 2013— -- The killer whales trapped under ice near a remote Quebec village reached safety today after the ...