For a deep dive into orca behavior, "Expedition Killer Whale" packs stunning footage into a fascinating hour-long documentary, and we have all the details here on how to watch it. How to watch ...

Image by Far Out Ocean Research Collective. A pod of false killer whales off the coast of New Zealand. False killer whales are a fascinating species that we still have much to learn about.

The islands have long been a popular destination for bird-watchers, but now two particular species are attracting growing audiences – orcas and otters. Orcas, or killer whales, are being spotted ...

Orcas, or killer whales, also adopted a bizarre behavior during this time that could only be described as a fad—balancing dead salmon on their heads like aquatic hats. Just as quickly as this ...

A Pygmy killer whale — rarely seen in the shallow waters that surround the Florida Keys — was found injured, sick and stranded just off a beach in the island chain on Sunday, a local marine ...

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 ...