Mars rover captures first close-up photos of giant 'spiderwebs' on the Red Planet
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Mars rover captures first close-up photos of giant 'spiderwebs' on the Red Planet

NASA's Curiosity rover has snapped its first images of web-like "boxwork" features on the surface of Mars. The zig-zagging rocks could provide clues about the Red Planet's watery past and whether it once harbored extraterrestrial life.