NASA Pluto-Bound Spacecraft Crosses Neptune's Orbit

NASA's New Horizons spacecraft has crossed the orbit of Neptune, as it prepares to rendezvous with Pluto less than a year from now.

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LDSD's Rocket-powered Test Vehicle

LDSD's Rocket-powered Test Vehicle

This artist's concept shows the test vehicle for NASA's Low-Density Supersonic Decelerator (LDSD), designed to test landing technologies for future Mars missions.

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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 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.
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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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Members of the Voyager science team 25 Years After Neptune: Reflections on Voyager

Members of the Voyager team reflect on the mission's Neptune encounter, 25 years later.

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Four Rosetta Candidate Landing Sites Rosetta: Landing Site Search Narrows

The European Space Agency's Rosetta mission has chosen five candidate landing sites on comet 67P/Churyumov-Gerasimenko for its Philae lander.

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Mars Rover Team Chooses Not to Drill 'Bonanza King'

The team operating NASA's Curiosity Mars rover has chosen not to proceed with drilling at a target rock called "Bonanza King" after the rock budged when tapped by the drill.

Read more (Aug. 22)

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The Rosetta Mission Asks: What Can We Learn From Comets? The Rosetta Mission Asks: What Can We Learn From Comets?

The Rosetta mission will give us an unprecedented look inside a comet, watching the icy traveler become active as it nears the sun.

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The Rosetta Mission Asks: What is a Comet? The Rosetta Mission Asks: What is a Comet?

Scientists attempt to answer questions and more as the Rosetta Mission's Orbiter arrives and escorts comet 67/p Churyumov Gerasimenko into our inner solar system.

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Curiosity Rover Report (Aug. 5, 2014): A Softer Trek to Mount Sharp Curiosity Rover Report (Aug. 5, 2014): A Softer Trek to Mount Sharp

On the second anniversary of NASA Curiosity on Mars, the rover navigates a sandy valley on its way to Mount Sharp.

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