Add Yahoo as a preferred source to see more of our stories on Google. Earth partially illuminated, displaying continents and clouds, floating in dark space scattered with distant stars. …and sometimes ...

Earth Day promotes international awareness of environmental protection and earth conservation. It's the perfect opportunity to teach your child about essential concepts, such as going green and ...

History teachers love making everything sound clean and simple. "This happened, then that happened, everyone learned a lesson, the end." Yeah, that's garbage. The Mongols, for example, managed to ...

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 ...

It's Earth Day, a day when people around the world celebrate the planet we call home. In honor of the occasion, here are some facts about Earth you may not know. Earth’s diameter, or the distance ...

…and sometimes we may forget just how incredible our home of planet Earth really is. From towering waves to supervolcanos, there is so much more to Earth than the basics we’re taught in school. Get ...