Earth is the only home humanity has ever known — and yet most of us barely scratch the surface of understanding just how extraordinary it really is. Beneath your feet lies a churning iron core as hot ...

Discover 25 mind-blowing facts about the continents and plates beneath your feet! Explore Earth's restless geology, from ...

1. Earth is not a perfect sphere. Yes, we've all been taught that the Earth is not flat, but it may shock you to learn that it's not perfectly spherical either. As the National Oceanic and Atmospheric ...