In a major scientific breakthrough, a ‘super-Earth’ has been discoered orbiting the closest single star to the Sun. Astronomers studied Barnard’s Star, a red dwarf just six light years away — practically in our back garden, galactically speaking — and noticed the presence of a “frozen, dimly lit world” at least 3.2 times heavier than Earth. The planet, known as Barnard’s Star b, is the second nearest to Earth outside […]