NASA's Cassini spacecraft has sailed seamlessly through the Nov. 21 flyby of Saturn's moon Enceladus and started transmitting uncalibrated temperature data and images of the rippling terrain.
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Science Mission Directorate
NASA uses orbiting observers and robotic landers to investigate the planets, moons, comets, and asteroids of our Solar System.
Latest Features
Cassini Sends Back Images of Enceladus as Winter Nears
Free Spirit: Second Extrication Drive Yields Slight ...
After spinning the wheels for the equivalent of 2.5 meters (8.2 feet) in the forward direction, the center of the rover moved approximately 12 millimeters (0.5 inch) forward, 7 millimeters (0.3 inch) ...
Before Darkness Falls: Cassini to Scan Enceladus on ...
NASA's Cassini spacecraft will fly by Saturn's moon Enceladus this weekend for a last peek at the intriguing "tiger stripes" before winter darkness blankets the area for several years.
More Features
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Cassini's Big Sky: The View from the Center of Our Solar System
When NASA's Cassini spacecraft began orbiting Saturn five years ago, a dozen highly-tuned science instruments set to work surveying, sniffing, analyzing and scrutinizing the Saturnian system.
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Mystery of the Solar Tsunami—Solved
Sometimes you really can believe your eyes. That's what NASA's STEREO is telling researchers about a controversial phenomenon on the sun known as the "solar tsunami."
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Free Spirit: Second Planned Extrication Drive is Straight Ahead Again
Because the first extrication drive for Spirit, on Sol 2088 (Nov. 17), stopped as soon as it began due to an exceeded tilt limit, the plan for an extrication drive on Sol 2090 (Nov. 19) will essentially be a repeat of the first drive plan, but with improved rover attitude knowledge.
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Free Spirit: Tilt Parameters End First Extrication Drive
The preliminary results from the first extrication drive for Spirit on Sol 2088 (Nov. 17, 2009) indicate the rover stopped less than 1 second after it began, sensing more vehicle lateral tilt than permitted.
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SDO Investigates the Sun's Cycle of Highs and Lows
The sun is a magnetic variable star that fluctuates on time scales ranging from a fraction of a second to billions of years. SDO will show us the underlying physics of solar variability.
News Releases
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Science Magazines Honor Cutting-Edge NASA Programs
11.20.09 - NASA's revolutionary planet-hunting Kepler space telescope has been honored with the 2009 Best of What's New Grand Award from Popular Science Magazine and a 2009 Breakthrough Award from Popular Mechanics Magazine.
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NASA's Wise Gets Ready to Survey the Whole Sky
11.17.09 - NASA'S Wide-field Infrared Survey Explorer, or Wise, is chilled out, sporting a sunshade and getting ready to roll.
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MESSENGER Spacecraft Reveals More Hidden Territory on Mercury
11.03.09 - A NASA spacecraft's third and final flyby of the planet Mercury gives scientists new scientific findings about this relatively unknown planet.
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NASA to Release New Images and Findings from Third Mercury Flyby
10.29.09 - NASA will host a media teleconference at 1 p.m. EST on Tuesday, Nov. 3, to announce scientific findings and release new images from the third and final flyby of Mercury by MESSENGER.
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 "Plan for Getting Mars Rover Moving")
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Podcasts
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NASACast: Solar System
Audio and Video podcasts on NASA missions exploring our solar system.
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NASACast: What's Up?
NASA's monthly guide to watching the night sky.
Media Resources
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Remarks by NASA Administrator Charles F. Bolden Jr. at the 2009 Combined Federal Campaign Kickoff and Awards Ceremony
10.22.09 - CFC provides a wonderful opportunity that allows all us as Federal employees show an act of love and compassion as we seek to help our children, neighbors and even fellow NASA employees.
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Remarks by NASA Administrator Charles F. Bolden Jr. at the Wernher Von Braun Memorial Symposium Dinner
10.21.09 - Whatever direction NASA takes, technology and innovation will be keys to success.
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