Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

In 2012, an 80 million-year-old dinosaur was discovered, and you can learn all about this 20-foot, 2-ton horned herbivore.

Did you know new species of animals are discovered every year? Color in this little cricket, the only one of his kind who can pollinate plants!

It's easy being green when you have our Earth Day game for a guide. Just print out this Earth Day game and get ready to score one for the planet.

All living things need water to survive. Listed are some of the ways we use water: can your child think of others?