Among Gliese’s exoplanets are seven believed to orbit a triple-star system called Gliese 667. Of those seven planets, three are believed to orbit inside the “habitable zone,” the range of a ...

Gliese 12 b is a "super Earth exoplanet" that is nearly the same size as Earth or slightly smaller, according to a NASA news release. Exoplanets are planets outside of our solar system ...