This National Aeronautics and Space Administration website has QuickTime videos that compare boiling water on Earth and in space. A photo shows the bubble that forms in space once some of the water is boiled. Text...

The Mars Exploration Rover mission is part of NASA's Mars Exploration Program, a long-term effort of robotic exploration of the red planet. The web site includes updates about the rovers Spirit and Opportunity, as well...

This site, hosted by the University of Washington's Earth and Space Sciences Program, discusses an advanced plasma propulsion system that will enable spacecraft to attain unprecedented speeds, with minimal energy and...

Amidst many strong and detailed government websites, the National Aeronautics and Space Administration (NASA) site always presents a rich variety of material for the space-curious public. Their "Interactive Features"...

This Center, at the University of California, Berkeley, is dedicated to making space science information accessible to educators and public. Internet-based classroom resources for astronomy education in grades K-12 and...