Life could be found on Proxima b within years
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Evidence of life on Proxima b, the newly-discovered planet orbiting the closest star to Earth, could emerge within a few years, scientists believe. New telescope technology holds out the hope of spotting oxygen generated by vegetation growing on the planet's surface. Clear signs of life on Proxima b would be one of the greatest scientific discoveries of all time. The planet orbits Proxima Centauri, a faint red dwarf star just 4.27 light years...