FacebookMail Astronomers have discovered evidence of a small, rocky planet orbiting our nearest star. Could Proxima b ever sustain life? The little planet orbits our sun’s nearest neighboring star, Proxima Centauri. If you like this article, please sign up for Snapshot, Portside's daily summary. Email (One summary e-mail a day, you can change anytime, and Portside is always free.) Leave this field blank Science astronomy
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