NASA's Mars Exploration Rover Spirit captured this stunning view as the sun sank below the rim of Gusev crater on Mars.

In the next few weeks, scientists affiliated with the Mars Exploration Rover Mission hope to learn about the fine-grained material the Spirit rover discovered in a section of the Gusev Crater.

One year ago today, an alien craft screamed out of a pink, dusty sky and bounced down on the rocky floor of the giant Gusev Crater on Mars. Spirit, the first of NASA’s two golf-cart-sized Mars ...

"And what we found on the plains of Gusev Crater, throughout the first two kilometers, was virtually no water evidence." Rover team members said Spirit's landing site was chosen because of its ...

Of these previously explored sites, Longo argues that Gusev Crater, which the Spirit rover wandered across, is the most exciting possibility for human exploration. “In my view, an ancient ...

Opportunity has been exploring the vast plains of Mars' Meridiani Planum region, while Spirit set down inside the huge Gusev Crater. Both rovers far outlasted their initial planned mission ...

Our chosen landing spot in the simulated view shown above is Gusev Crater, the expected landing site of NASA's Spirit rover, one of two probes the agency has arriving in January. From here we ...

Spirit also found signs that the massive Gusev Crater, where it landed, had seen small amounts of water. Now, recent data sent back by Opportunity suggests the area had a second drenching sometime ...

Her son's proposal was to land in the same place NASA's rover Spirit had landed in 2004, a place called Gusev Crater. Spirit found some intriguing potential signs that there might have once been ...