Water may have played a role in shaping parts of the Martian landscape a billion years longer than previously indicated, according to interpretation of images from NASA's Mars Reconnaissance Orbiter.
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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
NASA Orbiter Images Suggest Mars Had Long Wet Spell
Phoenix Images Discarded Heat Shield
A new color high-resolution image from the Phoenix Mars Lander shows its crumpled heat shield about 150 meters away from the spacecraft.
More Soil Delivered to Phoenix Lab
NASA's Phoenix Mars Lander has successfully delivered more soil to its Wet Chemistry Laboratory.
More Features
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NASA Selects 'MAVEN' Mission to Study Mars Atmosphere
NASA has selected a Mars robotic mission that will provide information about the Red Planet's atmosphere, climate history and potential habitability in greater detail than ever before.
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NASA's Phoenix Lander Sees, Feels Martian Whirlwinds in Action
Phoenix has photographed several dust devils dancing across the arctic plain this week and sensed a dip in air pressure as one passed near the lander.
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Perseids Create September Surprise
NASA astronomers record first-ever observed outburst of the September Perseids.
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Next Mars Soil Scoop Slated for Last of Lander's Wet Lab Cells
The next soil sample that Phoenix will deliver to its deck instruments will go to the fourth of the four cells of Phoenix's wet chemistry laboratory, according to the Phoenix team's current plans.
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Rosetta Images Asteroid Steins
On its way to a 2014 rendezvous with a comet, the European Space Agency's Rosetta spacecraft successfully flew past asteroid Steins on Sept. 5. JPL manages NASA's participation in the mission.
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News Releases
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Space Shuttle Endeavour Moves To Launch Pad 39B
09.19.08 - For the first time since July 2001, two shuttles are on the launch pads at the same time at NASA's Kennedy Space Center.
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NASA To Discuss Conditions On And Surrounding The Sun
09.18.08 - NASA will hold a media teleconference Tuesday, Sept. 23, at 12:30 p.m. EDT, to discuss data from the joint NASA and European Space Agency Ulysses mission that reveals the sun's solar wind is at a 50-year low.
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NASA Selects Mission to Study Mars Atmosphere
09.15.08 - NASA has selected a Mars robotic mission that will provide information about the Red Planet's atmosphere, climate history and potential habitability in greater detail than ever before.
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"Naked-Eye" Gamma-Ray Burst Was Aimed Squarely At Earth
09.10.08 - Data from satellites and observatories around the globe show a jet from a powerful stellar explosion witnessed March 19 was aimed almost directly at Earth.
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