CNET Follow Astronomers Found the First Atmosphere on a Planet in Another Star's Habitable Zone Science has discovered around 6,000 planets, and this is the first one, other than Earth, that is rocky and has an atmosphere. https://www.cnet.com/science/space/science-has-found-the-first-atmosphere-on-a-planet-in-another-stars-habitable-zone/ cnet.com