Deep-dwelling bacteria could rewrite our understanding of where alien life could take hold

http://www.extremetech.com/wp-content/uploads/2016/10/Morning_Glory_Pool_Yellowstone_feature-768x424.jpg 768w, http://www.extremetech.com/wp-content/uploads/2016/10/Morning_Glory_Pool_Yellowstone_feature-640x353.jpg 640w, http://www.extremetech.com/wp-content/uploads/2016/10/Morning_Glory_Pool_Yellowstone_feature-106x59.jpg 106w, http://www.extremetech.com/wp-content/uploads/2016/10/Morning_Glory_Pool_Yellowstone_feature-672x371.jpg 672w" sizes="(max-width: 300px) 100vw, 300px" />Radiotrophic bacteria we found in a mine shaft might force us to change our whole approach to the search for extraterrestrial life.