Transcript for NASA's InSight lander touches down on Mars

on Mars. There were anxious moments at nasa's jet propoll shun lab today, as a spacecraft made its final approach to Mars. ABC's Clayton Sandell is until Pasadena. Touchdown confirmed! Reporter: Tonight, a touchdown worthy of an interplanetary super bowl. Moments later, this image from nasa's insight mission proving it stuck the first Mars landing in six years. Insight survived the seven minutes of terror, an autopilot plunge from space to ground, 12,000 miles per hour to full stop. And every step was flawless. You made it through that seven minutes of terror. Yeah, I still have a few fingernails left but they're mostly gone. Reporter: Mars is tough on spacecraft. More than half that try to get there fail. But now insight begins a two-year mission, peering inside the red planet. And they'll do that using these sensors that the team hopes will inu unlock some ancient mysteries about our solar system. Clayton Sandell, thank you. There's still much more ahead on "World news tonight"

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