Extremophile microbes to inherit the Earth in two billion years

Two billion years from now, an ever-hotter Sun will have cooked the Earth, leaving microbes confined to pockets of water in mountains or caves as the last survivors, a study said Monday. The bleak scenario is proposed by astrobiologist Jack O’Malley-James of the University of St. Andrews, Edinburgh. As the Sun ages over the next billion years, it will become more luminous, cranking up the thermostat on the Earth, O’Malley-James suggests in a computer model [...] Reported by Raw Story 20 hours ago.