This is the Titanoboa. One the of the largest and deadliest snakes to ever exist. It went extinct 55 million years ago. But what if that never happened?

Imagine a snake so massive it would have to squeeze through your office door to get at you. That was Titanoboa, the largest ...

From sloths that towered over people like living bulldozers and penguins heavier than an ostrich, to snakes longer than a bus, prehistoric landscapes were shaped by creatures so massive they almost ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. In the humid swamps of what is now Colombia, there was once ...