During the 1960s, when NASA achieved what most thought was impossible, and what has never been repeated since, there were many setbacks. One historic example is that Neil Armstrong spent less than 11 hours in space on Gemini 8 before his mission ended prematurely due to a technical issue.

NASA's Artemis II crewed mission to the moon shows how U.S. space strategy has changed since Apollo -- and contrasts with China's closed program.

March launch window likely out

NASA said Tuesday that it has postponed the second mission of its Artemis program, pushing the highly anticipated launch from Feb. 8 into March. During a wet dress rehearsal of the rocket-towering system at the Kennedy Space Center in Cape Canaveral,

NASA wrapped up its latest Artemis II wet dress rehearsal Thursday night at 10:16 p.m. EST, ending the countdown as planned at T-29 seconds.

The map unveils small mare ridges, geologically young features that will aid the selection of landing sites for future Moon missions.