The Mars Rover is making news with its recent discovery of a possible delta that might have existed billions of years ago. Prior to landing on the red planet, the rover had to undergo critical testing to ensure it would be able to land safely. As NASA documented its preparation for the journey, the legendary space agency featured NTS testing on its website, which you can see below.Watch VideoNow the NASA Perseverance is unleashing Ingenuity—a tiny helicopter that will hover over the surface of the red planet early this month. It will be the first time in history that anyone has attempted flight on a different planet.Learn More