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Washington, January 27 It is commonly believed that water on Mars evaporated about 3 billion years ago. But two scientists studying data from NASA's Mars Reconnaissance Orbiter found signs of li
New evidence finds substantial water on Mars flowed as recently as 2 billion years ago.
An analysis of large salt deposits on Mars indicates that ponds of liquid water existed on the Red Planet for about a billion years longer than
An analysis of large salt deposits on Mars indicates that ponds of liquid water existed on the Red Planet for about a billion years longer than previously