One of the first cetaceans, Pakicetus, was a goat-sized creature that lived along the banks of lakes and rivers in ...

Found on the southern coast of Peru, this amphibious creature had a tail and hooves and was the oldest preserved fossil of ...

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

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, ...

Humpback whales use memory and ocean cues to guide migration, but climate change may disrupt this strategy, warns researchers ...

weak hind legs -- baggage from its evolutionary past -- even though it could not walk on land. None of these animals is necessarily a direct ancestor of the whales we know today; they may be side ...

Millions of years ago they used to be land dwellers. Here is how whales ended up becoming the biggest of them all. Following is a transcript of the video. Whales are the biggest animals of all time.

Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the biggest animal that has ever existed. Whales can be found in every ocean ...

Animals all over the world have wide range of lifespans, varying from mere hours to millennia.The longevity depends on the ...