There are several distinct traits that make mammals different from other animals, with the most significant ones being that ...

There are more than 500 species of shark found across the world, and they range in size from centimetres long to ocean giants. Read on to find out about the biggest sharks in the world. The whale ...

The Australian researchers analyzed a dataset of baleen whale genes and found that two of the largest species, blue and fin ...

The blue whale is the largest animal ever known to have lived on Earth. Blue whales are largest of all baleen whales and are found worldwide. They have a long slender body with a proportionally ...

Whales are the largest animals to ever exist on this ... Meet Pakicetus. The very first whale. Life on Earth spent millions of years clawing its way out of the oceans. But whales took all that ...

(SOUNDBITE OF WHALE SHARK BREATHING) SOMMER: Whale sharks are the largest fish species on the planet, as long as a school bus. This whale shark was a juvenile, though still about 16 feet long ...

Whales are the biggest creatures on Earth. These animals are found in every ocean, but that doesn't make them fish.