The craft ascended into space aboard a rocket, above, on Aug. 4 at Cape Canaveral, Fla.
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An illustration depicts the spacecraft's landing on Mars.
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What's one way to search for signs of life on the Red Planet? Scoop up some Martian dirt and bake it. That's what the Phoenix lander is up to this week. Here, the lander's 8-foot robotic arm gears up to dump a soil sample inside an oven near Mars' north pole, Thursday.
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An image from the lander shows the Martian horizon. Scientists do not expect to find water in its liquid form at the Phoenix landing site because it's too cold.