NASA Formally Retires Mars InSight Lander 4 Years After Its Arrival on Red Planet

NASA has formally retired its Mars InSight lander, the first robotic probe specially designed to study the deep interior of a distant world, four years after it arrived on the surface of the red planet, the US space agency announced on Wednesday. Mission controllers at NASA's Jet Propulsion Laboratory (JPL) near Los Angeles determined the mission was over when two co...