Briny water may be at work in seasonal flows on Mars


Dark, finger-like features that appear and extend down some Martian slopes during the warmest months of the Mars year may show activity of salty water on Mars. They fade in winter, then recur the next…

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Astronomers searching for oxygen can breathe more easily


Related images(click to enlarge) ESA‘s Herschel space observatory has found molecules of oxygen in a nearby star-forming cloud. This is the first undisputed detection of oxygen molecules in space. It concludes a long search but…

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