Study: Sun Will End Earthly Life in 2.8 Billion Years The planet will become too hot for even the hardiest microbes. By Andrew Fazekas, for National Geographic PUBLISHED October 30, 2013 0 Our life-giving sun, seen here shooting off a coronal mass ejection, will snuff out Earth's remaining life forms in about 2.8 billion years from now. Image courtesy SDO/NASA The final days of life on Earth will come some 2.8 billion years from now, suggests a sobering new study. Related Content Week's Best Space Pictures: Stars Kiss and Black Holes Flash Week's Best Space Pictures: Star Makes Waves and Apollo Shines The Autumn Equinox is Here! Wait, What's the Autumn Equinox?