The interiors of polar craters on the moon are in nearly perpetual darkness, making them cold traps that researchers have long suspected might be home to vast amounts of frozen water and thus key candidates for human exploration.
A team using observations from a lunar orbiter studied 'the living daylights' out of the Shackleton Crater, near the moon's South Pole. Their findings suggest scant water would be available to supply a lunar base there.
An Atlas 5 rocket successfully launched a National Reconnaissance Office spy satellite on Monday, just days after the Air Force's secret X-37B space plane returned from its secret 15-month mission in orbit.
The three Chinese crew from Shenzhou-9 docked and entered the spacelab live on television, making China only the third country, after the United States and Russia, to successfully perform such a maneuver.