According to Computerworld, while the Mars Reconnaissance Orbiter has been circling the red planet, the Phoenix Mars Lander has been sitting on the northern pole of the planet, testing Martian soil samples for any materials -- including water-ice -- that could support life. A robotic arm on the lander has dug up pieces of ice, and the orbiter has sent back pictures of what look like old fractures in the planet's surface, and trails of waterways.

Scientists today added to that...