Mar 14 NASA Spacecraft Discovers Possible Seas on Saturn's Moon By PBS News Hour Visual and radar images from NASA's Cassini spacecraft have revealed what seem to be several seas -- probably filled with liquid methane and ethane -- on the surface of Saturn's moon Titan. Continue reading
Jan 19 Spirit, Opportunity Test New Software Capabilities By PBS News Hour The NASA rovers Spirit and Opportunity, which began their fourth year on Mars this month, are testing new software as they continue to investigate the planet's hills and craters. Continue reading
Dec 14 Comet Particles Offer Glimpse of Solar System's Chaotic Origin By PBS News Hour Tiny dust particles collected from a comet and brought to earth last year now have scientists rethinking some of their beliefs about how comets--and the rest of our solar system--originally formed. Continue reading
Dec 06 Orbiter Images Suggest Water Flowed Recently on Mars By PBS News Hour NASA images of Mars unveiled Wednesday showed bright new sediment deposits in craters that suggest the presence of water -- at least briefly -- within the last several years. Continue reading
Dec 05 Watch NASA Solidifies Plans to Send Astronauts Back to Moon NASA offered a blueprint Monday for sending teams of astronauts to the moon by 2020 and building a permanent base there by 2024. An editor of NASA Watch explains the plans. Continue watching
Dec 05 NASA Aims for Permanent Base on Moon by 2024 By PBS News Hour Two years after President Bush proposed to return astronauts to the moon, NASA announced plans Monday for manned trips there by 2020 and the construction of a permanent base, most likely near the Shackleton crater on the moon's south pole,… Continue reading
Oct 31 Watch NASA Announces Repair Plans for Aging Hubble Telescope NASA announced Tuesday that it would send a final repair mission to the Hubble Space Telescope, tentatively in 2008, to extend the life of the orbiting observatory to at least 2013. Hubble's senior project scientist discusses the history and future… Continue watching
Sep 29 Watch Mars Rover Begins Exploration of Key Crater The Mars rover Opportunity reached the rim of the Victoria Crater on Mars, capturing new images of a 900-meter depression that could reveal information about the possibility of life on the Red Planet. Principal scientist Steve Squyres discusses the mission's… Continue watching
Sep 14 Arctic Ice Melting at Growing Rate, NASA Finds By PBS News Hour NASA-funded studies conducted last year found that sea ice present year-round in the Arctic is melting at a rate of 9 percent per decade, and in two recent summers, the ice was at record lows. Continue reading
Sep 11 Shuttle Atlantis Docks with Space Station to Attach Solar Panels By PBS News Hour The space shuttle Atlantis docked with the International Space Station Monday in preparation for attaching a 45-foot truss with new solar arrays to the orbiting research facility. Continue reading