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.

The agency's administrator promises transparency and accountability.

A test of NASA's towering Space Launch System rocket uncovered another issue with the vehicle meant to launch astronauts on a mission around the moon.

NASA is reopening competition on the Artemis moon lander contract originally awarded solely to SpaceX, a decision that has fueled speculation about whether the agency is deliberately sidelining Elon Musk’s company.

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.

NASA is providing a commentary-free, 24-hour livestream of SLS during the WDR, which can be viewed here on Space.com as well as on YouTube. The agency said that it will also air a separate stream featuring important WDR activities; Space.com will simulcast that feed, if it's made available.