Aug 10 Watch New Grazing Rules Tom Bearden of the NewsHour's Science Unit takes a look at some upcoming rules on private cattle grazing on public land and the effects they may have. Continue watching
Aug 09 Shuttle Discovery Safely Returns to Earth By PBS News Hour Discovery and its seven astronauts safely landed Tuesday morning at Edwards Air Force Base in California after a two-week mission that involved unexpected repair spacewalks and a visit to the International Space Station. Continue reading
Aug 09 Watch Shuttle’s Safe Return The space shuttle Discovery glided to a landing at Edwards Air Force Base in California early Tuesday morning after a 14-day mission. Jeffrey Brown talks about the shuttle's return and what comes next in NASA's space program with two experts. Continue watching
Aug 03 Astronaut Pulls Strips From Shuttle’s Tile Belly By PBS News Hour Astronaut Stephen Robinson gently plucked two protruding and potentially dangerous fiber strips from the space shuttle Discovery's underbelly Wednesday in an unprecedented emergency repair. Continue reading
Aug 03 Watch Space Shuttle Repairs An astronaut gently plucked two protruding and potentially dangerous fiber strips from the space shuttle Discovery's underbelly Wednesday. The first American woman to walk in space weighs in on the repair job. Continue watching
Aug 02 Watch NASA Weighs Decision to Repair Shuttle On Monday, NASA weighed trying an in-space repair to the shuttle Discovery. Following a background report, Keith Cowing, editor of NASA Watch, assesses the situation. Continue watching
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