Photographers capture mutant crayfish, cleaning fish, and synchronized whales in this year's top underwater contests.

Standing between two racks of whale bones in the National Museum Collection Centre in Granton, Professor Andrew Kitchener, Principal Curator ...

American aquariums say they visited Marineland last week with the goal of “providing hope and a future” for 30 beluga whales ...

Orcas are renowned hunters. Now, they have surprised scientists with an unexpected twist — possibly getting help from dolphins. In the waters off British Columbia, marine ecologist Sarah Fortune and ...

In countries with advanced research on killer whales, conservation management strategies are often developed for each group based on genetic differences. "Information on the ecological differences and ...

Off Vancouver Island in British Columbia, scientists have recorded killer whales and dolphins hunting salmon together in coordinated teams. The team followed nine northern resident killer whales and ...

SeaWorld Orlando officials announced the death Sunday of a 50-year-old killer whale named Katina. “Her health had begun to significantly decline as she entered her geriatric years,” the theme park ...

Dec. 22 (UPI) --SeaWorld Orlando announced that Katina, a killer whale in captivity for most of her 50 years, including 40 years at the Florida park, has died. SeaWorld posted Sunday night on Facebook ...

SeaWorld Orlando on Monday announced the death of one of its last killer whales, Katina. The 50-year-old orca had been at SeaWorld Orlando for nearly 40 years and was one of just five killer whales at ...

(CNN) — A pod of Pacific white-sided dolphins off the coast of British Columbia have been observed cooperating with orcas, a traditional enemy that’s better known for taking out great white sharks ...