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 ...

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 ...

Have you ever looked up at the night sky and imagined yourself zooming past stars as if you were an astronaut? If so, you’re definitely not alone. No matter how old you are, outer space is a place ...

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