An endangered orca vanished from a dwindling whale pod off the Washington coast, a conservation group said. The missing ...

Russian rescuers returned a young female killer whale to the Sea of Okhotsk on Thursday after the orca beached in the far ...

Under these circumstances, killer whales have been known to hunt and prey on moose. This unusual predator-prey dynamic is not widely known, which is a shame as it demonstrates the versatility of ...