Hidden inside that snot are clues as to how changes in the environment could affect the immune system of beluga whales and their resiliency to climate change.

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

Researchers from Mystic Aquarium are heading to the icy tundras of Canada to study beluga breath. That’s the white-plume mixture of water cells, proteins and lung fluid that whales exhale when they ...

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 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 ...

There aren’t many animals in the ocean deadlier than orcas. As apex predators, they hunt with intelligence, coordination, and ...

Oman’s Environment Authority has issued a public warning urging people not to dive near orca whales (killer whales) after a video showing a man swimmi.

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 ...