This episode of the Smithsonian National Air and Space Museum’s What’s New in Aerospace? series featured discussion about the process and technologies used to land the Curiosity rover on Mars and the technologies being developed to safely and more efficiently land spacecraft on the Red Planet in the future. Ian Clark from NASA’s Jet Propulsion Laboratory provided historical context for the development of those technologies and talked about the need for improvements, as Mars missions move to larger and larger payloads. The What’s New in Aerospace? series is presented in collaboration with NASA.