Timo Dersch had a close call with a humpback whale while freediving with orcas in the waters surrounding Norway ...

For the first time, a group of killer whales has been documented preying upon a prickly shark, a rare deep-sea dweller, according to a study published on March 20 in the journal Frontiers in Fish ...

Some resident killer whales in British Columbia frequent ... a reputation for being unusually frolicsome. They wag their tails, slap their pectoral fins and “spyhop”—bob into the air ...

For the first time, a group of killer whales has been documented preying ... during which the pod of orcas employed tail slaps and strategic positioning, along with observed teamwork, to ...

"We might get false killer whales come up from Mexico or ... In an aerial photo from NOAA Fisheries, a 30-foot-long gray whale with its tail entangled in a massive gill net is seen off the coast ...