The planet is almost 25,000 miles around and 4.54 billion years old, and humans are still discovering some of the amazing ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Get excited about Earth Day with these interesting facts about the world. Traveling to new places always expands the mind, but ...

Discover 100 Random Facts to Fuel Your Curiosity! Explore bizarre animal behaviors, mind-bending science, and incredible ...

A college student in a gas mask "smells" a magnolia blossom during the first Earth Day on April 22, 1970 in New York City. Credit - AP More than 8 billion people inhabit Earth, and soon a springtime ...

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 ...

Often when we're presented with facts about the environment, the numbers used can be so astronomically high, and the language so confusingly jargon-ish, that its tough for the average reader to care ...