Free to print My Little Book of Planets—a fun, free printable space mini book for kids to color, trace, and learn about planets, space vocabulary, and more! Looking for a simple and fun way to teach ...

The orbiting Kepler telescope is all about the numbers. How many stars have planets? How many have multiple planets? What sizes do they come in? How many of these planets are about the same size as ...

Have you ever looked up on a clear night at the stars and noticed that some of them seemed to twinkle or dance? This twinkling is due to the Earth’s atmosphere. When light reaches Earth from a star, ...

More than one billion people participate in Earth Day, making it the largest civic observance in the world. This year, make sure you join in on the action. Celebrated annually on April 22, Earth Day ...

Located across from the neon red Foot Locker sign inside Arizona Mills mall in Tempe, the bubblegum-pink sign announces you’ve arrived at Bubble Planet Phoenix: An Immersive Experience, a new ...