Earth has already exceeded its ability to support the global population sustainably, with new research warning of increasing ...

Humans really do rule the world. We took over fast and far, more than any other wild vertebrates. We inhabit nearly every ...

When it comes to the question of which planet humanity could one day call home, the obvious choice might seem to be Mars. But surprisingly, Venus might actually be a better candidate for human ...

If humans were to disappear, life on Earth would continue, but the balance of power among species would shift profoundly. The ...

Over the past century, we’ve gone from around 2 billion to 8 billion people on the planet. At the same time, fertility rates around the globe have been in decline. If things keep going this way, ...