With a surface temperature of 42°C, Gliese 12 b, is the nearest, temperate, Earth-size world located to date.

Scientists have discovered Gliese 12 b, an exoplanet similar in size to Venus and only 40 light-years away, with investigations ongoing to determine its atmosphere and potential to support life. In a rare and tantalizing discovery, astronomers have found an Earth-like exoplanet 40 light-years awa