Planetary Science
- Planetary Science
Assault on Mars
A Mars rover has discovered a patch of soil that's the saltiest place known on the Red Planet, an indication that water once coursed through the region.
- Planetary Science
Jupiter as mirror for the sun’s X rays
X rays emanating from Jupiter's midriff actually originate on the sun, new observations show.
- Planetary Science
Saturn says ‘cheese’
Astronomers have assembled the largest and most-detailed global portrait of the ringed planet ever made.
- Planetary Science
Slowpoke: Atmosphere put brakes on meteorite that formed famed crater
The extraterrestrial object that gouged out Arizona's Meteor Crater about 50,000 years ago struck at a speed much slower than most scientists had previously proposed.
- Planetary Science
Martian Landscaping: Spacecraft eyes evidence of a frozen sea
After analyzing images taken by the orbiting Mars Express spacecraft, researchers reported that a flat region near the Red Planet's equator holds a frozen ocean that was once the size of the North Sea.
- Planetary Science
Spying Saturn’s Light Show: Anomalous aurora dazzles scientists
The dancing lights that paint Saturn's sky stands out from all other auroras observed in the solar system.
- Planetary Science
Meteorite on Mars
One of the twin rovers on Mars has discovered the first meteorite ever found on a planet other than Earth.
- Planetary Science
A Year on Mars
Catch up with the amazing, ongoing adventures of the rovers Spirit and Opportunity, still ticking on the surface of Mars. These multimedia pages provide maps and routes, images, and accounts of discoveries as the two vehicles explored the Red Planet. Go to: http://www.jpl.nasa.gov/multimedia/mer-year/
- Planetary Science
A World Unveiled: Crème brûlée on Titan
Penetrating the orange haze of a frigid, alien world, a space probe parachuted onto Saturn's moon Titan and unexpectedly came face-to-face with terrain that looks a lot like Earth.
- Planetary Science
Ganymede May Have Vast Hidden Ocean
A combination of images, spectra, and magnetic field measurements suggests that in addition to Jupiter's moon Europa, another Jovian moon, Ganymede, may also have had—and might still harbor—an ocean.
- Planetary Science
A Titan of a Mission
On Jan. 14, a space probe will plunge through the thick atmosphere of Saturn's moon Titan, looking for insights into the origins of life on Earth.
- Planetary Science
Riddles on Titan
Two puzzles have emerged from the Cassini spacecraft's first close flyby of Saturn's largest moon, Titan.
