SpaceX kicks off busy 2018 with launch of mysterious payload

SpaceX launched a Falcon 9 rocket carrying a mysterious government satellite known as "Zuma" Sunday, lighting up the night sky as the booster climbed toward space and then lighting it up again a few moments later as its reusable first stage descended on a jet of flame to a pinpoint touchdown.Running a month and a half late because of payload fairing issues and subsequent rescheduling, the booster's nine first-stage engines ignited with a rush of flame at 8 p.m. EST (GMT-5). After a final round o