<

The Extremest Extremophiles: Microbial oasis underneath Earth's driest desert could be great news for life on Mars

For the last twenty million years, Chile's Atacama Desert has been the driest, most inhospitable place on Earth. But deep below the surface of this unimaginably arid world, microbes are flourishing without even oxygen or sunlight. Meet the extremest extremophiles. » 2/19/12 1:30pm 2/19/12 1:30pm