Biologists discovered killer whales and dolphins working together to hunt salmon, a behavior never before documented in this ...

Kshamenk, the last killer whale held in captivity in Latin America, died of cardiorespiratory arrest in Argentina at age 35, ...

SeaWorld's beloved Katina has died. The water park has released the cause of death for the killer whale, who was believed to ...

Scientists have captured rare footage of killer whales and Pacific white-sided dolphins hunting together near the coast of ...

Off the coast of British Columbia, dolphins lead killer whales to salmon and earn their share of lunch, a new study reveals.

New research published on December 11 in Scientific Reports posits that killer whales (Orcinus orca) off the coast of British Columbia may be forging hunting partnerships that bridge a species divide.

Killer whales have been caught on video breaking off pieces of seaweed to rub and groom each other, scientists announced Monday, in what they said is the first evidence of marine mammals making their ...

The species Orcinus orca, generally known as orcas or killer whales, is made up of many genetically distinct populations ...

A crowd gathered in Seattle to watch a pod of Bigg's killer whales on Sunday. They saw one whale suddenly catch a bird. Bigg's killer whales are orcas that usually prey on marine mammals like sea ...

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.

A pod of endangered Southern Resident Killer Whales were spotted off the coast of Monterey Bay, California. The whales rely on Chinook salmon as their primary food source, but salmon populations are ...