Earth serves as our fragile and precious home. As far as scientists are aware, it's the only astronomical object known to ...

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.

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 ...

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 ...

When Pope Gregory XIII introduced the Gregorian calendar, 10 days disappeared. 4th October jumped straight to 15th October. People were confused, and some even believed their lives had been shortened.