NASA Finds Methane Ice Cloud in Titan's Stratosphere

NASA scientists have identified an unexpected ice cloud on Saturn's moon Titan that is similar to exotic clouds found far above Earth's poles.

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Curiosity Mars Rover's Approach to 'Pahrump Hills'

Curiosity Mars Rover's Approach to 'Pahrump Hills'

This southeastward-looking vista from the Mast Camera (Mastcam) on NASA's Curiosity Mars rover shows the "Pahrump Hills" outcrop and surrounding terrain seen from a position about 70 feet (20 meters) northwest of the outcrop. Credit: NASA/JPL-Caltech/MSSS

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Solar System Missions

Cassini-Huygens to Saturn
Studying Saturn and its rings and moons.
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Dawn, the first spacecraft ever planned to orbit two different bodies after leaving Earth, will orbit Vesta and Ceres, two of the largest asteroids in the solar system.
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The Epoxi mission recycles the already "in flight" Deep Impact spacecraft to investigate two distinct celestial targets of opportunity.
Mission overview

The Juno spacecraft, currently making its way to Jupiter, will for the first time peer below Jupiter's dense cover of clouds to answer questions about the gas giant and the origins of our solar system.
Mission overview

Mars Exploration Rovers
Spirit and Opportunity have been exploring Mars since January 2004. Clues found in some rocks indicate liquid water once covered the ground.
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Mars Reconnaissance Orbiter
This orbiter has the most powerful telescopic camera ever to another planet, plus five other scientific instruments.
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Mars Science Laboratory
(MSL) spacecraft -- which includes the newest Red Planet rover, the car-sized Curiosity.
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Mars Odyssey
This orbiter studies Mars' surface composition and radiation environment and has instruments to detect water and shallow buried ice.
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Microwave Instrument on Rosetta Orbiter
This JPL instrument will study gases given off by a comet as the European Space Agency's Rosetta spacecraft orbits the comet. Rendezvous with the comet is scheduled for 2014.
Rosetta home page

Voyager 1 and 2 flew past Jupiter and Saturn. Voyager 2 also flew by Uranus and Neptune. Voyager 1 is now approaching interstellar space.
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Images From Mars-Orbiting Spectrometer Show Comet's Coma Mars Orbiter's Spectrometer Shows Oort Comet's Coma

The imaging spectrometer on NASA's Mars Reconnaissance Orbiter has provided an image of the coma surrounding a comet that flew near Mars this week.

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Rosetta Comet Spreads Its Jets Rosetta's Comet Scrambling Its Jets

Rosetta's comet destination is beginning to show a clearly visible increase in activity.

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An artist's impression of the first Orion spacecraft in orbit attached to a Delta IV NASA Hosts First Agency-wide Social Media Event for Orion's First Flight Test

NASA invites social media followers to apply for credentials to get a preview of the Orion spacecraft's first flight test during NASA Social events Dec. 3 involving each of its 10 centers.

Read more (Oct. 24)

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NASA's Mars Odyssey Maneuvers to Image Comet Siding Spring NASA's Mars Odyssey Maneuvers to Image Comet Siding Spring

Mars program Chief Engineer Robert Shotwell describes Mars Odyssey's unprecedented view of comet Siding Spring as the comet sweeps by the Red Planet on Oct. 19 and how it will maneuver to take images.

Comet Siding Spring: A Close Encounter with Mars Comet Siding Spring: A Close Encounter with Mars

Comet C/2013 A1 Siding Spring will make a close flyby of Mars on Oct. 19. At a distance of only 87,000 miles, it's a near miss of the Red Planet.

What's Up - October 2014 What's Up - October 2014

What's Up for October? A lunar eclipse, a solar eclipse and Mars has a close encounter with a comet.

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