A group of orcas swims together in the North Atlantic near Norway. The whales stay close as they move through the ocean.

The public is invited to join the San Juan County Conservation Land Bank, the Washington Department of Fish and Wildlife and ...

The warming world has disrupted the timing for plant and animal reproduction, and it's usually bad news for species that depend on each other — like flowers blooming too early and pollinating bees ...

Word and photos of Vancouver’s mystery orcas reached marine biologist Emma Luck in Alaska. A year earlier, she had been ...

Blue whale calves enter the world already the size of a bus, yet they still face danger. A hungry killer whale sees a slow, ...

A killer whale was filmed delivering a high-speed strike to a giant ocean sunfish during a rare underwater hunt in Baja ...

Researchers suggest that predation by a subspecies called Bigg's orcas might explain why members of another one, called ...

Ask anyone who’s had encounters with killer whales, and they will tell you just how smart they are. Orcas are incredibly ...

"The whales generated so much excitement in the community with thousands of people getting to see them from all over." ...

Two mass strandings involving hundreds of dolphins in Argentina probably happened because the pods were being hunted by orcas ...

Tourists onboard a Polar Latitudes Expeditions ship in Antarctica saw a pair of orcas hunting a gentoo penguin.