A website all about planetary mysteries—it's a one-stop-shop for all things, stars, planets, and space travel. Scholars read an astronomy overview to discover the page's big ideas, then choose from the plethora of resources, including...

Explore some of our most fundamental questions about space exploration with this research overview collected by scientists at the National Science Foundation. Additionally, experience deep space first-hand with telescope interactives.

This site provides an introduction to the origin of the universe for the young child and the Big Bang theory. There is also a song about the Doppler Shift. Vocabulary glossary and printable version available.

Try this introduction to ideas about how the universe began and how it might end. Topics include; the big bang and its echoes, antimatter, and inflation/expansion of the universe.

This site provides a description of the universe and what it contains. Includes links to definitions, activities, and an audio song. Printable version available.