In a new report, the federal department charged with analyzing how efficiently US taxpayer dollars are spent, the Government Accountability Office, says NASA lacks transparency on the true costs of ...

The test encountered an anomaly. Northrop Grumman and NASA conducted a dramatic static-fire test of a booster for an SLS (Space Launch System) rocket last week. According to NASA, the five-segment ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. On the heels of the ...

The SLS at Launch Complex 39B ahead of its wet dress rehearsal, set to start April 1 and last two days. Credit: NASA/Kim Shiflett WASHINGTON — NASA is preparing to award a contract to a ...