Some lucky whale watchers were treated to a once-in-a-lifetime spectacle — courtesy of Mother Nature — off the Palos Verdes coast on Tuesday, Jan. 2. A pod of Eastern Tropical Pacific orca whales, ...

While orcas, also known as "killer whales," are a common sight in the northeast Pacific Ocean, they’re rarely detected in the ...

Orcas have gobbled up news headlines this past year due to numerous reports of these killer whales harassing — and at times even sinking — boats, sparking countless memes and befuddlement. When they ...

Over the past couple weeks, rare sightings of orca whales have been popping up in Southern California. From the Palos Verdes Peninsula down to San Diego, the black-and-white killer whales have been ...

For months now, pods of killer whales have been spotted off Southern California in rare appearances, which are typically uncommon for the region. Whale watching tour boats, fishing vessels, and even ...

Preface -- What is a marine mammal? -- Main groups of marine mammals -- Modern taxonomy of marine mammals -- How to look for marine mammals -- Natural history of marine mammals -- Conservation -- How ...

Domenic Biagini was aboard a whale watching tour operated by his company off the coast of San Diego when another company alerted him to the presence of orcas nearby. Due to foggy conditions, the ...

157 killer whales are stranded on a remote beach in the Australian state of Tasmania. Although most of them are still alive, rescuing the surviving animals is very difficult due to their remote ...

Ambassador Cruise Line and marine conservation charity ORCA have announced the launch of a new campaign, ...