Planetary Science
- Planetary Science
Sister Planet: Mission to Venus reveals watery past
The Venus Express probe has found evidence that Venus once had more water than it does today, and has provided new measurements of the weather on Venus, proof of lightning on the planet, and signs of a formerly unknown hot spot near its south pole.
- Planetary Science
Chilled Out? Ice could lurk beneath Martian equator
An immense volume of ice-rich material may underlie a formation that extends about one-quarter of the way around Mars' equator.
- Planetary Science
Portrait of a Martian crater
An ultrasharp image of part of Mars' Gale crater shows waterborne sediments and volcanic ash.
- Planetary Science
Titan: Land of lakes—and drizzle
A newly assembled mosaic of radar images of Saturn's moon Titan shows what appear to be hydrocarbon lakes and seas.
- Planetary Science
Martian rovers survive storm
Three months after being stymied by a planet-wide dust storm, NASA's twin Mars rovers are back in action.
- Planetary Science
Neptune’s balmy south pole
Neptune's south pole is about 10°C warmer than any other place on the planet.
- Planetary Science
Muddying the Water? Orbiter drains confidence from fluid story of Mars
New images of Mars diminish the evidence that liquid water has flowed on some parts of the planet, but bolster the case in other places.
- Planetary Science
Survivor: Extrasolar planet escapes stellar attack
An extrasolar planet survived after its aging parent star ballooned into a red giant that almost engulfed it.
- Planetary Science
A different view of Uranus’ rings
The rings of Uranus are now tilted edge on to Earth, revealing small, inner rings made of fine dust.
- Planetary Science
Geyser gawker: Plans for a closer look at Enceladus
The Cassini spacecraft will change course to take a close look next March at plumes of water vapor emanating from the south pole of Saturn's moon Enceladus.
- Planetary Science
Idiosyncratic Iapetus
The strange appearance of Saturn's moon Iapetus suggests that it was frozen in shape soon after birth, providing a glimpse into conditions in the early solar system.
- Planetary Science
Deep Impact and Stardust: Still on assignment
Two sturdy NASA spacecraft have new assignments, studying comets and looking for exoplanets.
