NASA developing space shotgun planetary defence system to explode Earth-bound asteroids leicestermercury.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from leicestermercury.co.uk Daily Mail and Mail on Sunday newspapers.
We may not have long to react should we discover a deadly asteroid on a collision course. NASA is now investigating a proposal for a defense system that could break apart a hazardous space rock just days or even hours before a potential Earth strike.
Several futuristic projects have just been awarded money through NASA’s Innovative Advanced Concepts programme – here are New Scientist's top five choices