The modern day animal kingdom is full of massive and terrifying creatures, from the ferocious great white shark to the vegetarian rhinoceros. Even the largest animals alive today, however, pale 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 ...

Paleontologist Thais Pansani stands in front the reconstructed skeleton of a giant ground sloth at the Smithsonian National Museum of Natural History in Washington, D.C., on July 11. The Associated ...

For millions of years, Earth was the planet of reptiles. Giant flying reptiles controlled the skies while massive dinosaurs were kings of the land. Other prehistoric animals, however, may not have had ...

Ever wonder how saber-toothed cats and other extinct creatures behaved? Well, a team of scientists unearthed ancient footprints that offer insight into how various prehistoric animals lived as far ...

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, ...