Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. When we think about the scope of our world’s diversity, ...

Not even Steve Irwin would want to take on the beast known as "super croc." Sarcosuchus imperator, as it is technically known, was a prehistoric reptile and a contender for the largest crocodilian in ...

Even today’s giants — towering giraffes and massive elephants — are tiny compared to the prehistoric titans that once dominated the planet. Long before humans showed up, Earth was home to creatures so ...