Most people size up animals by how tall they stand or how long they stretch, but weight tells a different story. Measuring by mass alone reveals which creatures carry the most bulk. If you're curious ...

This video will give you goosebumps: the largest animal on the planet gracefully steaming straight toward a whale-watching boat. The "incredibly rare" sight was captured by Cape Ann Whale Watch off ...

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

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.

Have you ever wondered what the biggest land animal in history looked like, or which creature ruled the oceans as the largest of them all? Prehistoric giants often come to mind, but the story goes ...

The mention of giant underwater creatures usually brings to mind mythological monsters. The great kraken, ancient leviathans, and if that fossil of a creature with 45 arms is a real-life Cthulhu. As a ...