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.

Photograph by Garcia Julien, Getty Images We also enjoy protection from Earth's magnetic field, generated by our planet's rotation and its iron-nickel core. This teardrop-shaped field shields ...

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 ...