Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the ...

Second only in size to the blue whale, seeing a fin whale surface from the ocean's depths can leave you spellbound!

Elephant seals are the largest animals in North America. They spend most of their lives in the open sea and are a top predator in the Pacific Ocean, where they live and can survive depths of up to ...

Whales are the biggest animals of all time. Heavier than elephants, wooly mammoths, and even dinosaurs! But they weren’t always the titans of the sea. Let’s rewind the clock around 50 million ...

Early ancestors of the ocean's biggest animals once walked on land. Follow their extraordinary journey from shore to sea. Although whales are expert swimmers and perfectly adapted to life underwater, ...

This thrilling deep-sea fish was voted the world's ugliest animal by the Ugly Animal Preservation ... or 'Big Red', one of the largest jellyfish in the world. The fangtooth has teeth to spare ...

The blue whale is the biggest animal that has ever existed. Whales can be found in every ocean, with many species migrating long distances between their feeding and mating grounds, where they ...