Mars water discovery just 1 piece of the puzzle in figuring out which planets can sustain life

NASA, in a highly anticipated paper published in the journal Nature Geoscience, revealed strong evidence that seasonal salty water still flows on the Red Planet. Thanks to new techniques and the Mars Reconnaissance Orbiter, scientists confirmed the dark streaks visible in this photo, released on Sept. 28, 2015, are caused by flowing water. (University of Arizona/JPL/NASA/Reuters)
NASA, in a highly anticipated paper published in the journal Nature Geoscience, revealed strong evidence that seasonal salty water still flows on the Red Planet. Thanks to new techniques and the Mars Reconnaissance Orbiter, scientists confirmed the dark streaks visible in this photo, released on Sept. 28, 2015, are caused by flowing water. (University of Arizona/JPL/NASA/Reuters)

Some of the Martian surface is at times covered with seasonal flows of liquid, salty water, NASA announced Monday, suggesting “it would be possible for life to be on Mars today.” […]

Outside our solar system, there are 31 exoplanets known to astronomers that are within another star’s Goldilocks zone, according to the habitable exoplanets catalog project by the University of Puerto Rico at Arecibo.

CBC News

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