Giant Radiation Flares May Eradicate Life on Habitable Planets of Red Dwarf Stars

    Astronomers now know of around 4000 planets in orbit around other stars. A handful of these are both Earth-sized and in the habitable zones of the stars they orbit, where the temperature is right for liquid water. But many candidate Earth-sized worlds are in orbit around red dwarf stars, much smaller and cooler … Continue reading Giant Radiation Flares May Eradicate Life on Habitable Planets of Red Dwarf Stars