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 about Earth.

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 ...

As spring is fully under way, flowers and chirping birds and all, it’s hard not to breathe a pleasurable sigh at the gorgeous sights of a world reawakened — and, perhaps, to dab at a sniffly nose as ...

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 is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...