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Found in space: Planet Proxima b could be Earth's closest cousin - CNETToday, a little over two decades since the first confirmation that planets beyond our solar system actually exist, comes the biggest exoplanet announcement yet -- one that could change everything.
Researchers have discovered an Earth-like planet orbiting a red dwarf star at a range where conditions might be right for water, and maybe, just maybe, life. Proxima Centauri, at just over 4 light-years away, is the closest star to Earth besides our own sun.