An international team of astronomers has discovered a “super-Earth” nestled in the habitable zone of a red dwarf star. It’s situated only 137 light-years from Earth. This finding, detailed in the Monthly Notices of the Royal Astronomical Society, not only adds a new candidate to the roster of potentially habitable worlds, but also raises the possibility of a second, Earth-sized planet within the same system. Both were picked up by TESS (the Transiting Exoplanet Survey Satellite). The primary planet, named TOI-715 b, measures about 1.5 times the width of Earth and resides within what scientists…