A combination of the world's most powerful telescopes detected the planets. Astronomers have confirmed the existence of four planets orbiting a star less than 6 light-years away with help from ...

A quartet of small, rocky exoplanets likely circle Barnard's Star, around 6 light-years from Earth, putting them in contention as targets of missions for future human generations.

The planets closely orbit Barnard’s Star, zipping around their stellar host in a matter of days, compared with the year it takes Earth to complete one orbit around the sun. The outermost planet ...