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 ...

Melting Arctic ice has grave implications for the planet. It means rising sea levels and helps lock in higher temperatures — and it also has a dramatic effect on the marine life that has evolved to ...

A new calf has been born to the critically endangered southern resident killer whale population in the Salish Sea. Biologists ...

Scientists confirmed that West Coast transient killer whales actually form two separate groups split between inner and outer coastal habitats. Inner-coast whales hunt smaller prey in shallow, ...

A pod of four transient killer whales — including a calf — was spotted Sunday, May 10, 2025, swimming out of the Yaquina River toward the ocean. It’s the latest in a steady stream of orca sightings ...

Primates, birds, and elephants are all known to make tools, but examples of tool use among marine animals are much more limited. Reporting in the Cell Press journal Current Biology on June 23, a team ...