‘Sub-Earth’ exoplanet discovered around the closest solo star to us Space.comScientists discover planet orbiting closest single star to our sun Phys.orgJust 6 Light-Years Away: Astronomers Discover New Planet Around Barnard’s Star SciTechDailyPlanet spotted orbiting Barnard’s star just 6 light years away New ScientistFound: A Planet Orbiting The Closest Single Star To Our Sun Forbes