Mar 04 NASA Orbiter Reveals Avalanches on Mars By PBS News Hour A NASA spacecraft orbiting Mars has sent back the first-ever images of avalanches on the red planet, NASA announced Monday. Continue reading
Nov 07 Watch Astronomers Spy New Planet in Distant Solar System Scientists announced Tuesday that they had discovered a new planet orbiting the star 55 Cancri, 41 light years from Earth, making it the most crowded solar system identified outside of our own. Astronomer Geoff Marcy talks about the new planet… Continue watching
Oct 03 Watch Fifty Years Ago, Sputnik Launched Space Age Fifty years ago this week, the Soviet Union launched Sputnik, the first man-made satellite, into space. On the anniversary of the turning point in space exploration, a NASA historian and a science reporter assess the impact and legacy of the… Continue watching
Jun 22 Polar Research on Earth Assists with Mars Study By PBS News Hour As scientists continue to explore the poles as part of the International Polar Year, hoping to better understand the Earth's most extreme environments, some researchers are looking for answers even farther off -- toward the north pole of Mars. Continue reading
Jun 19 Shuttle Undocks from Space Station After Construction, Computer Glitch By PBS News Hour The space shuttle Atlantis moved away from the International Space Station Tuesday after a nearly 10-day stay during which astronauts installed a truss and pair of solar arrays, and experienced a temporary computer meltdown. Continue reading
May 31 Watch NASA Develops Plans for Moon-Mars Mission NASA has unveiled plans for crew and launch vehicles to return humans to the moon as the first steps toward building an outpost there and eventually traveling to Mars. NewsHour correspondent Tom Bearden takes a closer look at NASA's space… Continue watching
May 16 Watch Scientists, Students Study Space Storms in THEMIS Project High school students and teachers in Alaska are helping NASA scientists collect data for a mission that aims to learn more about the space weather that causes the aurora borealis, or northern lights. Continue watching
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