A potentially rocky super-Earth orbits one of our closest stellar neighbors, Barnard’s star, only 6 light-years away. An artist’s impression of Barnard’s star b. Image credit: Sci-News.com. Barnard’s star is a low-mass red dwarf star located in the constellation Ophiuchus. At nearly 6 light-years away, the star is the next closest star to the Sun after the Alpha Centauri triple stellar system. “Barnard’s star is an infamous object among...