The smallest species of whale tricks its predators by gushing red gallons of red fluid into the water when under attack ...

Dubbed "allokelping," it might be a unique cultural phenomenon that's as endangered as the orca population itself ...

Like a proud cat leaving a bird on its owner's doorstep, orcas—also called killer whales—may sometimes offer to share their ...

Scientists with the Massachusetts State Division of Marine Fisheries have launched a new program to track where and when the ...

"They've been hanging on by their flipper-tips for tens of decades." Experts baffled by unprecedented behavior of critically ...

Orcas, also known as killer whales, are one of the ocean’s most powerful apex predators. With their striking black and white coloring, impressive hunting skills, and adaptability, they dominate the ...

Scientists have spotted a subset of killer whales using seaweed to scratch each other’s backs, marking the first known ...

More whales seen in Southern California "There's been a big change in the kinds of species that we see when the water gets warmer," ACS-LA Gray Whale Census and Behavior Project Director Biologist ...

Unusually high mortality for gray whales along the coast has researchers concerned for the recovering species.