New research from the Georgia Institute of Technology and the Harvard-Smithsonian Center for Astrophysics suggests that exoplanets Kepler-62f and Kepler-186f — both of which reside in the habitable zone around their host stars — have very stable axial tilts, much like the Earth, making it likely that each has regular seasons and a stable climate. Kepler-186f. Image credit: NASA Ames / SETI Institute / JPL-CalTech. Kepler-62f is the outermost...
