Scientists have spotted a subset of killer whales using seaweed to scratch each other’s backs, marking the first known identification of “tool” usage by marine mammals. The “southern resident” killer ...

The sighting of a baby killer whale in British Columbia has given researchers a sign of hope for the endangered species. In a Facebook post on Tuesday, April 8, the Center for Whale Research announced ...

New research in the Strait of Gibraltar captured dozens of vocalizations from an endangered subpopulation of killer whales ...

Sightings of Antarctic orcas in Australian waters are very rare. A tour group in WA saw what appeared to be a pod of ...

A new species of killer whale has been discovered off the southern coast of Chile. Researchers from San Diego's Scripps Institution of Oceanography say the whales look distinctly different than orcas.

While killer whales (Orcinus orca) can trigger the immediate departure of white sharks (Carcharodon carcharias), extended absences from their aggregation sites are also part of the sharks' natural ...

When researcher Jared Towers set up his cameras underwater to observe a pair of killer whales, he saw something strange.One of the orcas, a juvenile female, “approached a camera I had in the water to ...