Caltech Scientists Predict Greater Longevity for Planets with Life

Billion-year life extension for Earth also doubles the odds that advanced life will be found elsewhere in the universePASADENA, Calif.— Roughly a billion years from now, the ever-increasing radiation from the sun will have heated Earth into inhabitability; the carbon dioxide in the atmosphere that serves as food for plant life will disappear, pulled out by the weathering of rocks; the oceans will