NASA makes historic first helicopter flight on Mars

NASA scored a 21st-century Wright Brothers moment on Monday as it sent its miniature robot helicopter Ingenuity buzzing above the surface of Mars for nearly 40 seconds, marking the first powered controlled flight of an aircraft on another planet. Officials at the U.S. space agency hailed the brief flight of the 4-pound (1.8-kg) rotorcraft as… Read More NASA makes historic first helicopter flight on Mars