Proxima Centauri – Spaceflight Now

September 15, 2025

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Potentially-habitable planet discovered around nearest star Proxima Centauri

August 24, 2016 Keith Cooper

A planet with at least 1.3 times the mass of Earth has been discovered orbiting within the habitable zone of the nearest star to our Sun, Proxima Centauri, which is just 4.2 light years away.