Boeing's Starliner is 'go' for crucial May 19 launch to the space station

DARPA is exploring ways to build big things in space

Flight Readiness Review Begins for Boeing’s CST-100 Starliner system

Neil Armstrong was given the option to replace Buzz Aldrin with Jim Lovell because NASA was aware that "Aldrin's personality grated on several of the other astronauts". Armstrong kept Aldrin and felt Lovell deserved to command his own moon mission, the ill-fated Apollo 13