Curiosity has uncovered ancient, once-wet lakebeds, but there might be some active streams, too.
Mars One announces deals with Lockheed Martin and SSTL to develop technology to colonize the Red Planet by 2025.
Was it home to life? It could have been. Meanwhile, the search for organic compounds continues.
The newest NASA probe will sniff the Martian sky.
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MAVEN will try to decipher the history of Mars' atmosphere and how it was lost.
Filled with idyllic lakes and clouds!
Three Mars spacesuit designs hop through obstacle courses.
Experiments in a sealed aluminum chamber could tell scientists more about how clouds form on Mars.
But 97 percent of NASA employees are still grounded.
Five of the six Curiosity papers published yesterday required a subscription to read, but one scientist thought that because they were NASA-funded, they should be free. So he posted them on his own blog.