Experts aren't sure what's causing the spike in whale deaths. Only four of the 18 have been attributed to boat strikes.

deep-water species - such as sperm whale and fin whale - which would have been very difficult to hunt for these prehistoric groups. And there is no evidence from this time period that they had the ...

A 15,000 year old piece of a whale vertebra from the Basque site of Santa Catalina, Spain. © Jean-Marc Pétillon, Eduardo Berganza Perhaps the greatest challenge to ...

A sailing yacht found itself frightfully close to a killer whale while traveling through an area known for its increasing orca attacks. According to Storyful, which obtained footage of the tense ...

The baby killer whale is the fourth born into the Southern Resident killer whale population in the past 12 months Ingrid Vasquez is a Digital News Writer at PEOPLE. She graduated from The ...

Witness a dramatic prehistoric battle between a giant sea scorpion and a modern killer whale. Donald Trump authorizes U.S. military to take control of land on southern border Fannie Mae makes ...

A killer whale has become a first-time mom after a peachy-orange calf was spotted swimming with her off Washington, a whale watching group said. The baby orca was discovered March 20 in the Salish ...

A Bigg’s killer whale calf is seen swimming alongside its mom in the Salish Sea off Washington. Caio Ribeiro Eagle Wing Tours / Pacific Whale Watch Association A killer whale has become a first ...

A rare pygmy killer whale was saved by rescuers after becoming stranded in Guyana, photos show. Photo from the University of Guyana A young pygmy killer whale — a rare type of dolphin — was ...