The Shuttle Astronaut Selection and Training - A document on how astronaut recruits are selected and trained

Space Shuttle Commander Eileen Collins - A Positive Light - As the first woman to command a NASA mission, she successfully put the Chandra X-Ray Observatory into orbit and proved that dreams do come true.

HowStuffWorks: Weightlessness - Photographs and animations describe space sickness, or space motion sickness, which is caused by conflicting information that your brain receives from your eyes and the vestibular organs located in your inner ear.