Using in part the Gemini North telescope, one half of the International Gemini Observatory, partly funded by the U.S. National Science Foundation and operated by NSF NOIRLab, astronomers have discovered four sub-Earth exoplanets orbiting Barnard’s Star,

Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard's Star, the second-nearest star system to Earth.The four planets, each only about 20 to 30% the mass of Earth,

Exciting new research suggests there are four miniature planets orbiting Barnard’s Star, each thought to be just 20 to 30% the mass of Earth.