On Friday, NASA shook up its Artemis lunar exploration plans with changes to planned missions and to the Space Launch System rocket. Jeff Foust reports on the changes and the many unanswered questions about those plans.
When NASA rolled out the Space Launch System rocket and Orion spacecraft to Launch Complex 39B in mid-January, officials were optimistic the rocket could launch in a window in early February (see Inc… [+12749 chars]
