A brief vocabulary overview describing the difference between asteroids, comets, and meteors.

Get a reality check about a recent asteroid fly-by. Study videos, diagrams, and explanations of these near-misses.

In this lesson, students learn about objects in the universe, including constellations, planets, meteors, asteroids, and comets.

Enter our solar system to interact with the planets, moons, asteroids, meteors, and more. Investigate with NASA scientists and explore missions related to space exploration. Read facts, compare statistics, look through resources, and...

In this interactive tutorial students will learn what causes the seasons, diurnal cycles and how the constellations move through the sky. Learn we are able to see other planets and how astronomical events affected life on the Earth.

This site from NASA's Space Place is geared towards early elementary learners. It offers detailed instructions for crafts and activities related to space, games and a teacher resource area. Students can also ask an expert at this site.