NASA’s next big rocket probably won’t fly until 2020

The first flight of NASA’s next big rocket, the Space Launch System, likely won’t launch until June 2020, though it’s now officially scheduled to get off the ground sometime in December 2019, according to the space agency. The new official date marks a one-year delay for the monster vehicle that’s meant to take astronauts into deep space.These new dates are the result of a “comprehensive review” by NASA looking into the rocket’s schedule. Ultimately, the