The study authors observed the practice in Southern Resident killer whales while sailing in the Salish Sea off the Pacific ...

Scientists have documented what might be the first case of friendly interactions between killer whales and smaller cetaceans.

An endangered Pacific Northwest orca that made global headlines in 2018 for carrying her dead calf for more than two weeks is doing so once again after the death of her new calf, another sign of ...

An endangered Pacific Northwest orca that made global headlines in 2018 for carrying her dead calf for more than two weeks is doing so once again after the death of her new calf, another sign of ...

Killer whales are one of the most intelligent animals; only humans have a larger brain relative to their body size, according ...

Two shark attacks have been reported at a popular U.S. beach over the past week. Summer is officially here. Temperatures on the East Coast have approached the high 90s and low 100s in many U.S. cities ...

A white whale calf swimming with its mother off Australia created a memorable moment, while a pod of rare Baird’s beaked ...

This shared activity, which was captured using drone footage, is notable because it is the first time scientists have observed orcas using tools for the benefit of mutual grooming. How much do you ...

A days-old orca calf was spotted near San Juan Island, closely shadowing its mother as researchers monitored their health. A peachy-colored orca calf, J-62, showed playful energy while socializing ...

A days-old orca calf was spotted near San Juan Island, closely shadowing its mother as researchers monitored their health. A peachy-colored orca calf, J-62, showed playful energy while socializing ...

A days-old orca calf was spotted near San Juan Island, closely shadowing its mother as researchers monitored their health. A peachy-colored orca calf, J-62, showed playful energy while socializing ...

A days-old orca calf was spotted near San Juan Island, closely shadowing its mother as researchers monitored their health. A peachy-colored orca calf, J-62, showed playful energy while socializing ...