Researchers suggest that predation by a subspecies called Bigg's orcas might explain why members of another one, called resident orcas, stay in such large family groups ...

Ask anyone who’s had encounters with killer whales, and they will tell you just how smart they are. Orcas are incredibly intelligent creatures, capable of complex hunting strategies. They also engage ...

Marine life researchers are tracking a mysterious pod of orcas recently spotted moving through the Salish Sea.

Experts look into the 2021 and 2023 dolphin mass stranding events and find that both were being chased by an apex predator.

Three unknown orcas have been spotted in Vancouver Harbour and more recently near Seattle, sparking the excitement of western ...

A dolphin murder mystery is playing out on Patagonia’s shores: multiple mass strandings, with scores of dolphins washing up for no easily discernable reason. In one such event in 2021, for example, 52 ...