Opportunity Mars rover preparing for active winter

NASA's Mars Exploration Rover Opportunity is conducting a "walkabout" survey of "Marathon Valley," where the rover's operators plan to use the vehicle through the upcoming Martian winter, and beyond, to study the context ...

LRO discovers Earth's pull is 'massaging' our moon

Earth's gravity has influenced the orientation of thousands of faults that form in the lunar surface as the moon shrinks, according to new results from NASA's Lunar Reconnaissance Orbiter (LRO) spacecraft.

Dust storms on Mars

In the 1870's astronomers first noted the presence of yellow clouds on the surface of Mars and suggested they were caused by windblown dust. Today, dust storms on Mars are well known and those that display visible structures ...

New technology may illuminate mystery moon caves

It's widely believed that the moon features networks of caves created when violent lava flows tore under the surface from ancient volcanoes. Some craters may actually be "skylights" where cave ceilings have crumbled.

One decade after launch, Mars Orbiter still going strong

Ten years after launch, NASA's Mars Reconnaissance Orbiter (MRO) has revealed the Red Planet's diversity and activity, returning more data about Mars every week than all six other missions currently active there. And its ...

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