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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Did you know that our planet is rocketing around the sun at 67,000 mph? Or that it once had two moons? Here are some amazing facts ...

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 ...

BepiColombo is slowly uncovering more and more fun facts about Mercury as it continues its preliminary mission. One of the ...