NASA’s VIPER – short for the Volatiles Investigating Polar Exploration Rover – sits assembled inside the cleanroom at the agency’s Johnson Space Center. Image: NASA/Helen Arase Vargas
NASA announced Wednesday it was pulling the plug on the VIPER (Volatiles Investigating Polar Exploration Rover) project. It was the second time in less than a decade, NASA scrapped plans for a roving scout to explore the Moon for water ice, the decision coming six years after cancelling a similar mission, the Resource Prospector.