Atomic Extremeophiles Thrive Where the Life-Giving Energy of the Sun Never Reaches
They found extremophile bacteria buried over two miles into solid rock, where the life-giving energy of the sun never reaches - the energy every other species on Earth depends on. Instead they found their own power source - radiation!
http://www.dailygalaxy.com/my_weblog/2008/05/atomic-extremeo.html#more