Former tech demo ended up serving as scout for rover and proved powered flight was possible in thin Martian atmosphere
Nasa’s little Mars helicopter has flown its last flight.
The space agency announced on Thursday that the 4lb (1.8kg) chopper named Ingenuity can no longer fly because of rotor blade damage. While it remains upright and in contact with flight controllers, its $85m (£67m) mission is officially over, officials said.
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