This article explores the changes an astronaut's body goes through in space. Also find the answer to many other fascinating questions people have about space travel.

The Why Files have provided an article that explores the health effects of space travel. The site focuses on life on a space station.

Pictures and descriptions of the robot spacecraft that have explored the planets and outer space since the 1960s.

This site provides information about the Deep Space 1 mission.

This section of the exhibition gives the history of the discovery and study of space starting with the Greeks and Romans through to the early 1900's.

This is a standards-based program follows that provides content on what astronauts eat, how bodies change in space, and how imagination would help you to become a space explorer. Teacher and student educational resources, glossary, books...

This WebQuest lets you explore Mars through the missions sent there over the years. You can evaluate what you think about the benefits of space exploration.

This site provides information about the Hubble Space Telescope, and its mission into space.

Design and test your own all-terrain space rover with this app.

This companion website of a NOVA program that aired in 1999 features extensive information that focuses on moon research and includes a history of the Apollo missions as well as the science of the moon's origins.

A special anniversary site for the Apollo 11 mission to the moon. Complete with comments from the astronauts, galleries with many images related to the mission, and much more.

This short article elaborates on why it's important to have more space missions to the moon before sending a manned space mission to Mars. Follow links to learn more about NASA's other space missions.

This brief animated guide to the Rosetta mission allows you to see how it is going to get to the comet, and then what it will do once it arrives there.

Do you have what it takes to go on a space mission to the Red Planet? Think you can handle it? Take this quiz to find out!

This research-oriented news source is devoted to reporting new developments in science, technology, and medicine. Includes video.

The BBC brings together a lot of useful information about the moon and related topics, such as the lunar landings, and publishes it in the form of a traveler's guide.

Students can hone their shape-recognition skills and use the plans to build a fleet of rockets.