Life on Earth started out microscopically small, but it didn’t stay that way for long. Here are five of the biggest creatures to have ever called planet Earth home.

The ocean is home to some of the most awe-inspiring creatures on Earth, many of which dwarf anything found on land. From massive whales to elusive deep-sea dwellers, these giants of the sea ...

Whether it’s a bird trying to impress a mate, a shrimp stunning its next meal, or a whale calling across the ocean, each ...

There are some pretty large animals in the world. Giraffes are notable for their long necks, and whales for their sheer size, but have you ever seen the biggest crab in the world? Coconut crabs are ...

Boaters off the coast of California got the chance to see one of the loudest — and largest — animals on the planet. Passengers aboard a boat got the “privilege” of seeing a blue whale, according to an ...