Earth: 4.5 billion years old. It survived five mass extinctions, relies on a paper-thin atmosphere, and somehow produced us.

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 ...

There are almost 200 nations on the planet and every one of them has some stunning trivia you need to hear about.Here are interesting facts about every nation on Earth! WATCH OUR OTHER VIDEOS: 25 ...

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 ...