NYT > World News Astronomers Find an Atmosphere on a Nearby Earthlike Planet Par :Katrina Miller 16 juillet 2026 à 14:27 It’s the first potentially habitable world known to host an atmosphere, making it a lead contender in the search for life beyond our solar system. © Melissa Weiss/CFAAn artist’s concept of the exoplanet LHS 1140b, surrounded by a helium-rich atmosphere. Another rocky planet orbits the same cool red dwarf star in the distance.