03.06.08 - Half a dozen instruments on NASA's Cassini spacecraft have found evidence of rings around Saturn's second largest moon, Rhea.
10.23.07 - Wild Santa Ana winds -- some of them reaching hurricane force -- have been whipping through Southern California since early Sunday, October 21, triggering massive wildfires.
09.07.07 - After surviving monstrous dust storms, the Mars rover Opportunity is about to enter a giant crater with a long Martian history.
08.20.07 - Today is the 30th anniversary of the launch of Voyager 2 (Aug. 20, 1977). Voyager 1 launched on Sept. 5, 1977.
08.02.07 - These audio clips about the soon-to-launch Phoenix Mars lander are excerpts from news conferences held Thursday, Aug. 2, at the Kennedy Space Center in Florida.
07.20.07 - Whopper dust storms on Mars are whipping up potential problems for the twin Mars rovers, Opportunity and Spirit.
06.28.07 - Three-and-a-half years after NASA's twin Mars rovers, Spirit and Opportunity, landed on the Red Planet, Opportunity is about to embark on a new adventure.
03.22.07 - The concept of time on Saturn has just become more complicated. It appears gas and water vapor spewing from geysers on Saturn's little moon Enceladus is weighing down the giant planet's magnetic field.
02.21.07 - NASA astronomers have, for the first time ever, split apart the light from exoplanets, which are planets beyond our solar system, to hunt for molecules in the planets' atmospheres.
01.03.07 - Spirit and Opportunity, the twin Mars Exploration Rovers, are wrapping up their third year on the red planet.
01.03.07 - The cover story of the current issue of the journal Nature features the discovery of lakes on Saturn's largest moon, Titan, by NASA's Cassini spacecraft.
12.06.06 - A pair of significant discoveries about the red planets appears in this week's journal Science: evidence that, within the past five or seven years, water gushed on Mars in two gullies and 20 new impact craters formed on the planet.
11.17.06 - Interview clips with a solar system ambassador who is in the Air Force. He is stationed in a forward deployed location in southwest Asia.
09.16.06 - Interview clips with a solar system ambassador who is in the Air Force. He is stationed in a forward deployed location in southwest Asia.
08.16.06 - Interview clips from the latest International Astronomical Union meeting, which is expected to vote on the definition of a planet.
07.19.06 - Interview clips about the Viking Mission.
06.26.06 - Interview clips from Cassini scientists.
05.23.06 - Interview clips from Voyager project scientist Dr. Ed Stone.
05.19.06 - Wayne Hale talks to reporters about the rollout of Space Shuttle Discovery to Launch Pad 39B
04.18.06 - A NASA cloud-watching mission called CloudSat, scheduled to launch on April 22, will study the structure and composition of clouds, and help us better understand our climate, weather and water supply.