Researchers have observed dolphins and killer whales hunting together for the first time as part of a new study released on Thursday, Dec. 11. The top predators joined forces to feast on salmon off ...

Orcas have a sophisticated language to communicate, with populations in different parts of world even speaking in 'dialects' which can be mapped out ...

Captured off the coast of San Diego, the astonishing video pictured above captures the moment that a dolphin is punched on ...

Killer whales can scare white sharks away in the moment, but a 12-year study from South Australia shows that long disappearances from shark hotspots are often just part of the sharks’ natural rhythms.

THIS is the dramatic moment a diver witnessed a family of orcas feasting on a shark as its rag doll-like body hangs limp ...

(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 ...

Orcas, or killer whales, are deadly and beautiful apex predators.

While killer whales (Orcinus orca) can trigger the immediate departure of white sharks (Carcharodon carcharias), extended absences from their aggregation sites are also part of the sharks' natural ...

Killer whales have been caught on camera hunting down and eating great white sharks alive. A shark-hunting pod of orcas was seen flipping their rival apex predators upside-down to paralyze them - ...

In the serene surface of the Gulf of California, a harrowing spectacle is developing. Near the surface ridden with confusion and gushing blood, a juvenile great white shark struggles. A pod of killer ...