By trapping huge amounts of water on land, big dams built by humans have slightly changed how Earth spins and where its poles ...

Human beings have been at the center of ecological change on Earth for thousands of years. But as history shows, no species ...

The human species is the ultimate apex predator. We have only existed for 0.007% of Earth's history, yet we have managed to ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. We don’t know how or why it happened–perhaps a particularly ...

We’re living in a weird time on Earth: a period when our planet has ice. Amid persistent and frequent record heat, it may be surprising to hear that Earth is currently relatively cool — at least in ...