The Exploratorium
Create an apparatus for viewing sunspots, Search for extraterrestrial life, and see a live web cam of Mars.

The Space Place
Be able to name trees from space, find out why the sky is blue and discover how to shrink a building three different ways. Lots of online space Games, activities, and fun facts.

NASA Kids
Exactly how hot is the sun? Can astronauts sleep standing up? And is it possible to escape the Event Horizon of a black hole?

The Nine Planets
Take a self-guided tour through our solar system. Explore the satellites of Saturn, the moons of Jupiter, and the canals and canyons of Mars.

Young Astronomers' Learning Center
What is a Brown Dwarf? What's the difference between a meteor and a falling star? What are solar winds? The Learning Center provides all the answers you need.

NASA – Be a Spacecraft Engineer
Your mission: Help scientists plan a mission to a comet. Design your own spacecraft. And protect the international Space Station from space debris.

Windows to the Universe
A user-friendly learning system covering the Earth and Space sciences for use by the general public. Windows to the Universe has been in development since 1995.  Explore the Earth and Space sciences and the historical and cultural ties between science, exploration, and the human experience.  Students and teachers may find the site especially helpful in their studying (and teaching!) Earth and Space sciences. Because we have users of all ages, the site is written in three reading levels approximating elementary, middle school and high school reading levels.