From mammoth African elephants to giant whales, let's take a look at the 8 largest mammals that inhabit our planet.

A massive species of endangered shark might ... as her smaller size could indicate. Whale sharks (Rhincodon typus) are the largest fish in the world, growing as much as 40 feet or more in length.

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

So, what would cause a country to ban a fish? Click here to find out why the beluga sturgeon is banned in the U.S.

With its cartilaginous body and cold blood, the whale shark is decidedly not a whale. But this shark is about as long as a ...

A sperm whale stranded on Cuttyhunk Island over the weekend, adding to alarming whale death toll since December. Here's what ...

That's because it is one of the world's largest whale sanctuaries, with more than 20 different species of cetaceans that either call the archipelago home or pass through during their yearly ...