cory johnson and crawford del prete. thank you both. now it is time to check in on the tech revolving door. solar city announcing the cfo will retired next year. the company says the chief operating officer has been promoted to president and will absorb the responsibility. the move comes as investors punished solar city stock with a recent loss, sending shares down close to 30%. they are the largest installer of rooftop solar power. coming up, one giant leap for the space industry. ats elon musk to a huge milestone. details are next. les, this is not your father's racecar. this one uses artificial intelligence. we will take it for a spin. later this hour ♪ ♪ emily: in today's edition of out of this world, a major milestone in the space industry. check it out. >> welcome back. emily: that was blue origin's new rocket landing on earth after launching to an altitude. they are the space exploration company launched by jeff bezos. it, along with spacex, has been working on this landing to build reusable rockets. joining me now from washingto