Earth serves as our fragile and precious home. As far as scientists are aware, it's the only astronomical object known to harbor life. The Earth is at least 4.54 billion years old, and in that time ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. 9. On Earth Day in 2011, people planted 28 million trees in Afghanistan as part of a "Plant Trees Not Bombs" campaign. 10. Since ...

…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 ...

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 ...

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 ...