Demi Lovatos accomplishments include Disney star, best-selling recording artist, and judge on the...

Justin Bieber went from runner up in a talent contest in his small hometown of Stratford, Ontario...

Dynamic photos and simple text explain the different roles helicopters play in the military. Youn...

This wonderful book describes the different traditions and festivals celebrated in Japan today an...

The history of workers' rights in the United States.

When tanks roared onto the battlefield for the first time in World War I, these mechanical beasts...

What are the machines and vehicles that tear through tough material, then make our roads smooth a...

Learn about the holidays and festivals celebrated in Egypt.

This modern-day pirate tale details the recent hijacking and daring rescue of the Maersk Alabama ...

Did you know that clouds are made up of tiny water droplets or ice crystals? Each cloud droplet i...

Did you know that cumulus clouds are bright white clouds with puffy tops and flat bottoms? These ...

Discusses stratus clouds, how they form, and the types of weather they indicate.