The history of Earth is written on the great tablets of tectonic plates. The motions of plates shaped land masses, formed ...

Uncover 100 Things You Never Knew About The Earth! Explore mind-blowing facts from its fiery core to the moon's violent birth ...

Ah, Earth. We may not think about our planet on a day-to-day basis, but the world we live in is a pretty interesting place. The third rock from the Sun—and to this day, the only one with known ...

What if we told you that your entire understanding of time is about to be shattered? Human beings are notoriously bad at comprehending vast scales—whether ...

Add Yahoo as a preferred source to see more of our stories on Google. Earth's magnetic field is like an invisible shield that protects our planet from solar and cosmic radiation. While it might not be ...

Millions of people around the world will pause on Tuesday, at least for a moment, to mark Earth Day. It's an annual event founded by people who hoped to stir activism to clean up and preserve a planet ...

You may have heard a lot of online chatter about Earth's two moons recently, but that doesn't quite get the discovery right. Earth still only has one true natural satellite — our 2,159-mile-wide moon ...