Witness in the ocean, 12 killer whales surrounded a baby whale, and what happened next left scientists and marine biologists speechless. This dramatic event, observed in the wild, was unlike anything ...

Orcas practise drowning their friends as a way to learn how to hunt large prey like blue whales. Footage captured by film ...

More than 96% of deforestation, or human-caused, permanent removal of forest cover, occurs in the tropics.

Killer whales are known for exceptional intelligence, displaying complex social structures and sophisticated communication. New research provides fresh evidence for this, documenting how these ...

Killer whales have joined the rare club of animals that can make and use tools, for the first time being observed crafting a kind of brush out of kelp and then using it on fellow pod members.

Killer whales have been seen detaching lengths of seaweed and using them to massage each other—the first evidence of tool-making by marine mammals. The whales bite off the end of a kelp stalk ...

Sperm whales, the largest predators of the ocean, dive deep into the abyss, where no human dares to venture, and face off against the infamous killer whale in an epic battle. Why watch this video ...

A well-known male killer whale was spotted June 9 traveling alone through Yaquina Bay and along the central Oregon coast, drawing attention from researchers, photographers and onlookers as he ...

In all the sightings, a weeks-old pilot whale swam by a female killer whale in what scientists call an echelon position, with the young whale located beside and slightly behind the adult orca.

An incredibly rare albino orca was caught on camera leaping out of the ocean, leaving an impassioned wildlife photographer “shaking with excitement.” ...

“Our research team received an interesting report yesterday from Sara Eads,” Josh McInnes, admin of the Oregon Coast Killer Whale Monitoring Program Facebook page, posted on April 20. “She ...

The sighting of a baby killer whale in British Columbia has given researchers a sign of hope for the endangered species, according to the Center for Whale Research.