Space Launch System
NASA's Mars Rocket is Over Budget and Behind Schedule, Audit Finds
“At its current rate, we project Boeing will expend at least $8.9 billion through 2021—double the amount initially planned—while delivery of the first Core Stage has slipped 2½ years.”
NASA Chief: 'The Journey to Mars Is Real, and It's Attainable'
NASA administrator Charles Bolden said there is a "growing consensus" at the agency that it will be able to fly humans to Mars in the 2030s.