Ice On Mercury

Scientists working with NASA's MESSENGER spacecraft program, (L to R) Sean Solomon, David Lawrence and Gregory Neumann, explain new findings during a press conference at NASA headquarters November 29, 2012 in Washington, DC. Recent studies performed by the spacecraft indicate support for a hypothesis that the planet Mercury planet harbors abundant water ice and other frozen materials within its shadowed polar craters. (Photo by Win McNamee/Getty Images)

NASA: Probe Confirms Ice On Mercury

Everyone knows there is ice at the North Pole of Earth. Now a special messenger has just confirmed that there is also ice on the north pole of Mercury – the closest planet to the sun.