The completed Volatiles Investigating Polar Exploration Rover (VIPER) sits in a cleanroom at NASA’s Johnson Space Center in Houston, Texas.Credit: NASA NASA has terminated an ambitious mission intended to map ice and then drill into it at the Moon’s south pole. The space agency announced the cancellation of the Volatiles Investigating Polar Exploration Rover (VIPER) yesterday, citing budget woes, rising costs and several delays in construction on the rover and its lander. Now, it is seeking part...