Mars-rover drivers will aim Curiosity’s cameras “soon” at a pair of nearby features spotted from orbit where liquid water might flow sporadically, and they may send their nuclear-powered robot there on a visit one day to hasten the search for extraterrestrial life. Curiosity (see photo) is nearing a point on the side of the central peak in Gale Crater that offers a view of at least two gullies that may be recurring slope lineae (RSL). This type of feature is widespread on ...


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