Whale watchers in Madeira captured the astonishing moment orcas took down the deep-diving marine mammal. The predatory ...

New findings show that the transient killer whales living along the West Coast between British Columbia and California are ...

Researchers identified two ecologically distinct communities of transient killer whales along the West Coast, each with unique hunting behaviors, habitats, and social networks.

How to escape the deadliest killer whale encounters.

San Antonio's first, unnamed night parade took place on April 24, 1948, and it wasn't until the 1951 edition that the moniker ...

The orca is called the killer whale for a reason—and nothing demonstrates why quite like a recent scientific discovery about deadly encounters between orcas and young great white sharks. A pod of orca ...

LĀNA‘I, Hawai‘i (Island News) -- A heartbreaking discovery off Lāna‘i this week. Researchers with Cascadia Research Collective found an endangered false killer whale severely entangled in marine ...

Sightings of the marine mammal captivate the public and baffle scientists Benjamin Cassidy The orca known as “Old Thom” swims in front of researchers in the Bay of Fundy. Gregory Rec / Portland Press ...

A Southern Resident killer whale has been spotted clinging to her dead baby in the Salish Sea off northern Washington, a conservation group said. J-36, also known as Alki, was seen Sept. 12 in the ...