Jul 28 Watch Space Shuttle Trouble NASA announced Wednesday that all future shuttle flights would be grounded because the problem of foam peeling off the fuel tank -- and possibly damaging the shuttle during liftoff -- has not been eliminated. Two experts discuss the future of… Continue watching
Jul 27 NASA to Ground Shuttles Over Foam Debris By PBS News Hour NASA said Wednesday it would ground future shuttle flights because the problem of foam peeling off the fuel tank and possibly damaging the shuttle had not been eliminated. Continue reading
Jul 26 Shuttle Discovery Rockets Into Orbit By PBS News Hour The space shuttle Discovery successfully lifted into orbit Tuesday morning on a 12-day mission to resupply the International Space Station and test various new safety features. Continue reading
Jul 26 Watch NASA Launches First Space Shuttle in More Than Two Years NASA's space shuttle Discovery launched successfully Tuesday -- the first shuttle mission since the 2003 Columbia disaster. After a background discussion, an expert discusses the changes NASA made since the Columbia accident. Continue watching
Jul 25 NASA Counts Down to Tuesday Shuttle Launch By PBS News Hour NASA officials say they are prepared to launch the shuttle Discovery on Tuesday morning even if one of the fuel tank sensors malfunctions as it did during the original planned liftoff earlier this month. Continue reading
Jul 25 Watch Scientists Follow Tornados in Kansas Scientists from the Center for Severe Weather Research track storms in western Kansas' "Tornado Alley" in an effort to improve their understanding of the process of tornado formation so that better predictions may someday be made. Continue watching
Jul 21 NASA Resets Shuttle Launch After Sensor Failure By PBS News Hour NASA now aims to launch the space shuttle Discovery on Tuesday, after engineers expressed confidence they had pinpointed the fuel-sensor problem that prevented the July 13 liftoff. Continue reading
Jul 14 Watch Space Age Sports Athletes looking to improve their performance are turning to the Massachusetts Institute of Technology, where students are learning how to apply cutting-edge technology to sports. Continue watching
Jul 12 Watch NASA’s Return to Flight The shuttle Discovery launch, scheduled for Wednesday, will be NASA's first manned mission since the Columbia disaster two-and-a-half years ago. Continue watching
Jul 11 Watch Newborn Baby Panda A visit to the National Zoo in Washington, D.C. where giant panda Mei Xiang gave birth to a newborn baby over the weekend. Then, a discussion with a National Zoo veterinarian about the pregnancy and the information gained from this… Continue watching