NASA has pushed back the launch of the Ingenuity helicopter's first flight on the Martian surface. Takeoff of the 4-pound (1.8-kilogram) robotic helicopter, currently attached to NASA 's Perseverance rover, is now slated for no earlier than April 11. Deployment of Ingenuity, which has become affectionately known as 'Ginny', had been originally planned for April 8. NASA's Ingenuity helicopter is preparing for its first flight on Mars, but flying in ...