Carl Sagan

Bill Nye's LightSail 'Froze' In Space Two Days After Launch

By Peter R - May 30, 2015 12:06 PM EDT

The solar radiation propelled spacecraft is a victim of software glitch that caused it to lose contact with Earth.

Carl Sagan's Sails to Catch Solar Winds on May 20

By Peter R - May 11, 2015 03:33 PM EDT

If successfully, solar sailing could make space travel lighter and affordable.

Fun Stuff

Editor's pick

Real Time Analytics