NASA: Flying the Mars Ingenuity helicopter is 'getting harder and harder'
High-risk, high-reward. NASA's Mars helicopter gamble has paid off as Ingenuity continues to soar over the Martian landscape as a scout for the Perseverance rover. It's been a triumphant mission, but the helicopter's job is getting a lot tougher to perform. Havard Grip, Ingenuity's chief pilot, talked about the challenges...www.cnet.com