Orcas, or killer whales, are known to some as the velociraptors of the sea for the incredibly orchestrated attacks they carry ...

Long-term whale researcher Helena Symonds has observed a significant rise in the presence of Northern Resident orcas near ...

Scientists have classified orcas as “data deficient” on conservation lists. These are the questions that keep them up at ...

Footage captured in California’s Monterey Bay shows one orca using its flukes to fling a common murre nearly 20 feet skyward.

LONDON -- Animal rights activists are calling for the release of an orca who has been living in Argentina's largest aquarium ...

Before Keiko reentered Icelandic waters, there were concerns that he would fail to acclimatize to the wild. They had a point. While Keiko found a pod of orcas, he followed the group at a distance ...

A social media campaign by activists has brought the 4-ton orca a following far beyond what might usually be expected at his ...

The Salish Sea—the inland coastal waters of Washington and British Columbia—is home to two unique populations of fish-eating ...