Moonshot is necessary not because more flags need to be planted and more footsteps left behind on a distant world, but because of the need to inspire present and future generations
InSight spacecraft, the first robotic lander designed to study the deep interior of Mars, touched down safely on the surface of Mars on Monday
The 794-pound lander, built by Lockheed Martin, is set to touch down on November 26 after a six-month cruise and a six-minute re-entry and descent