Interesting facts about Earth you might not know ©Getty Images Earth serves as our fragile and precious home. As far as scientists are aware, it's the only astronomical object known to harbor life.

Earth is our planet and we made it what it ... Check out the rest of the interesting facts.

Sound as we know it does not exist in space. That’s because, on Earth, sound mainly travels to our ears via vibrating air molecules. Because space is a vacuum, meaning there is no matter at all ...

So, check out our list below for 60 short, funny and meaningful Earth Day quotes. Get Reader’s Digest’s Read Up newsletter for more holiday tips, fun facts, humor, cleaning, travel and tech ...

In honor of Earth Day, the Giraffe Blog has put together 50 awesome facts about space, the atmosphere, the sea, and what's under the earth. It's an easy reminder that our Blue Marble is an ...