Watch as NASA’s Mars Reconnaissance Orbiter captures rare 4K views of the planet’s polar regions, revealing patterns and ...

Add Yahoo as a preferred source to see more of our stories on Google. This view of a region called Syrtis Major is from the 100,000th image captured by NASA’s Mars Reconnaissance Orbiter using its ...

See the 2,500 mile-long (4000 km) Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: ...

NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. The orbiter, one of three zooming around Mars' atmosphere, had been working as expected before it ...

Since NASA's Mars Reconnaissance Orbiter arrived at Mars in 2006, the spacecraft has delivered some of the most detailed ...

Mars has a lot of rocks. In fact, Mars has so many rocks that have undergone all sorts of weathering over the eons that, ...

A Mars spacecraft that has been orbiting the red planet for more than a decade has now been AWOL for more than a month. NASA first lost contact with its MAVEN orbiter at the beginning of December.

When the orbit of NASA’s Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft took it behind the Red Planet on December 6th, ground controllers expected a temporary loss of signal (LoS).

Mars may look like a frozen desert today, but new evidence suggests its watery past didn’t simply fade away quietly—it may ...

The NASA Mars Reconnaissance Orbiter, set for launch here Aug. 10, should have enough propellant to operate in Martian orbit four additional years--until 2014--following the loading of more propellant ...

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