http://www.newsweek.com/spacex-ceo-elon-musk-congratulates-nasa-landing-perseverance-rover-mars-1570579 > SpaceX boss Elon Musk congratulated NASA after the U.S. space agency successfully landed its Perseverance rover on Mars on Thursday. > The billionaire technologist, who has long envisioned human travel to the red planet, made the comment on Twitter after NASA posted a video showing its team members celebrating the landing at the Jet Propulsion Laboratory in California.