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 ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world.

Whales are the giants of the ocean. These amazing creatures live in seas and oceans all around the world. Some travel thousands of miles every year. They are mammals, just like humans, and they ...