A six-year study off California’s coast shows how marine heat waves and noise pollution are silencing the ocean’s largest ...

Drone footage from Norway shows killer whales using a highly coordinated and cooperative hunting technique to catch herring.

Before pivoting her focus to the Arctic, Alysa McCall worked extensively in the grassland ecosystem. There, the interventions ...

The Johnson Tract Mine is located on CIRI-owned lands inside Lake Clark National Park.

They're known as "killer whales," but orcas have a surprisingly soft and even generous side. "Orcas often share food with each other—it's a prosocial activity and a way that they build ...

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review spanning two decades has revealed a little-known, yet intriguing behavior.

This is the hilarious moment a beluga whale startled a girl visiting an aquarium in China. The playful sea creature was spotted interacting with the toddler during their trip to Quancheng Ocean ...

Although the large size of whales might lead one to believe that they would need to hunt alone to find food, that’s not the case with killer whales. Killer whales will often hunt as a pod.

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

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