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
Jul 05 Watch Climate Tension President Bush headed to Europe Tuesday for a three-day meeting with other industrial nations to discuss international economic issues. One of the topics on the G-8 agenda is climate change. Betty Ann Bowser of the Science Unit reports on the… Continue watching
Jul 05 Watch Climate Tension Discussion As President Bush heads to the three-day G-8 summit Tuesday, experts discuss possible solutions to international climate change, an issue that will be brought up at the summit. Continue watching
Jul 04 Watch Deep Impact An immense flash of light marked the crash of a NASA probe into comet Tempel 1 early Monday morning. A flyby spacecraft recorded images of the flying dust, gas and other debris that mission scientists hope will answer basic questions… Continue watching
Jul 01 Watch Extended Interview: Irving Weissman Dr. Irving Weissman, a Stanford University professor and cofounder of the biotech company StemCells Inc., is working on inserting human nerve cells into mice to investigate how human brain cancers form. The following is an extended interview with Weissman. Continue watching