How far it is from the sun: 886 million miles (1.4 billion kilometers), on average How big it is: 72,400 miles (116,500 km) across, or almost 10 times the size of Earth. How many moons it has: At ...

You know what it’s like: You live somewhere all your life but never realize just how great it is until someone comes to visit. While it’s just a shame we don’t get any visitors to marvel at all the ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

Space has a way of making the impossible feel routine. You think you have a handle on the solar system — eight planets, a handful of moons, maybe some rings around Saturn — and then science drops ...

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 ...