Loss of Carbon in Martian Atmosphere Explained

A process involving ultraviolet light from the sun helps explain the ratio of heavier to lighter carbon in Mars' atmosphere and resolve a dilemma about "missing" carbon.

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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.
Mission home page

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.
Mission home page

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.
Mission home page

Mars Reconnaissance Orbiter
This orbiter has the most powerful telescopic camera ever to another planet, plus five other scientific instruments.
Mission home page

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.
Mission home page

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.
Mission home page

An expanded view of comet C/2006 W3 (Christensen) is shown here. NEOWISE Observes Carbon Gases in Comets

Data from NASA's NEOWISE mission are giving new insights into comet dust, nucleus sizes, and production rates for difficult-to-observe gases like carbon dioxide and carbon monoxide.

Read more (Nov. 23)

Curiosity Rover Will Study Dunes on Route up Mountain NASA's Curiosity Mars Rover Heads Toward Active Dunes

The NASA Mars rover that is studying layers of a Martian mountain will soon get its first taste of the "Bagnold Dunes," a dark sea of sand along the mountain's base.

Read more (Nov. 16)

Veiny 'Garden City' Site and Surroundings on Mount Sharp, Mars Upgrade Helps NASA Study Mineral Veins on Mars

Diverse composition of mineral veins at the "Garden City" site investigated by NASA's Curiosity Mars rover suggests multiple episodes of groundwater activity.

Read more (Nov. 11)

More news

What's Up - November 2015 What's Up - November 2015

See all the phases of the moon this month -- by day and by night!

Halloween Asteroid Halloween Asteroid

JPL scientist Marina Brozovic explains how radar will be used to study asteroid 2015 TB145 when it safely passes Earth on Oct. 31, 2015.

Deep  Dive into Enceladus' Plume Deep Dive into Enceladus' Plume

On Oct. 28, 2015, NASA's Cassini spacecraft will take the deepest dive ever through the plume of Saturn's moon Enceladus.

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