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

Scientists know a surprising amount of information about Southern Resident Killer Whales, but once the whales leave their ...

UNDATED (WKRC/CNN Newsource) - Scientists discovered that a pod of orcas have developed a new method for killing whale sharks, the world's largest fish. Scientists have believed that killer whales, or ...

Kshamenk, was known as the loneliest killer whale in the whale, after his mate died in captivity back in 2000 - park officials said the orca died due to cardiorespiratory arrest ...

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.

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 ...

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

Each year, thousands of the gray whales make an annual migration past Ventura, heading south from Arctic waters to the ...

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 ...

SeaWorld has announced the death of its famed killer whale, Katina. "Katina was 50 years old, and her health had begun to ...