If you have kids in school, or even if you don’t, you’ve probably realized that there’s a lot about the day-to-day of school ...

When is the next leap year? Here are some fascinating leap year facts, along with all the details about why leap day always falls on Feb. 29.

Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

The full moon is the point where the entire face of the moon is illuminated by the sun as seen from Earth. "This is as close as we come to seeing the sun's illumination of the entire day side of ...