Melissa Stewart

All science classrooms discuss animals that hibernate during winter months, but few know ...

Your mouth contains more bacteria than a dog's. Money is covered with germs that can make...

Fossil footprints led two boys to an important discovery.

Simple, lively text and up-close photos fully describe these hard-working insects –...

Bubbly text and captivating photos of the lives of these beloved mammals includes an emph...

Encourage scientists and explorers of tomorrow with this easy-to-grasp investigation of t...

What is a robot? Discover the history and science behind these amazing machines as well a...

The historical significance of the Titanic is expertly presented with brilliant photograp...