Footage shows the mysterious killer whales patrolling a submarine canyon off Monterey, Ca. “There were fins everywhere we ...

They hunt in packs and eat anything, from fish to sharks ... This is something unusual for their behavior. The pack of killer whales coordinated with each other and attacked whale sharks, which ...

Two orcas from the Pacific Northwest were spotted with dead salmon on their heads, an act first documented in the 1980s.

Researchers out of Monterey, Ca., on Thursday enjoyed a rare encounter with mysterious killer whales known to travel in massive pods and prey on deepwater sharks. “There were fins everywhere we ...

In 1987, killer whales in Puget Sound donned salmon “hats,” carrying dead fish on their heads. Now, a photo of an orca has observers wondering if the trend has returned.

One fashion trend from the '80s may be making a comeback – at least with killer whales. An orca has been spotted wearing a ...

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 ...

Southern resident killer whales, like Tahlequah, are the only endangered population of killer whales in the U.S., according to the National Oceanic and Atmospheric Administration. The summer ...

A pod of 60 to 80 killer whales rarely seen by researchers, was spotted Thursday by Whale Watchers out in Monterey Bay. They're called "offshore" orcas, and scientists say they haven't been seen off ...