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 ...

Killer whales can scare white sharks away in the moment, but a 12-year study from South Australia shows that long disappearances from shark hotspots are often just part of the sharks’ natural rhythms.

GettyWhile killer whales (Orcinus orca) can trigger immediate departure of white sharks (Carcharodon carcharias ...

Two Los Angeles-area boaters on Saturday spotted a juvenile gray whale that had recently been killed by orcas and was missing most of its head. Alisa Schulman-Janiger, director of the ACS-LA Gray ...

Captured off the coast of San Diego, the astonishing video pictured above captures the moment that a dolphin is punched on ...

Orcas are born with powerful bodies and sharp teeth, but they are not born knowing how to hunt. Here’s why they depend so ...

Ships are hitting and killing whales off the California coast at some of the highest rates in more than a decade, according to data obtained and tabulated by the NBC Bay Area Investigative Unit. The ...

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