NASA's Space Launch System (SLS) is scheduled for another wet dress rehearsal on June 18 at Kennedy Space Center, following an unsuccessful attempt in April due to technical issues like a faulty vent ...

NASA came within 20 seconds of completing a countdown rehearsal of the SLS June 20 after hours of delays caused primarily by a hydrogen leak. Credit: NASA TV Updated 7:45 a.m. Eastern to correct the ...

NASA says it’s ready for the fourth Space Launch System practice countdown at Launch Complex 39B, scheduled for June 20. Credit: NASA/Ben Smegelsky PASADENA, Calif. — NASA is gearing up for a fourth ...

NASA wrapped up its fourth wet dress rehearsal of the Space Launch System yesterday, during which time ground teams achieved a number of key test objectives. That said, an unresolved hydrogen leak ...

NASA has confirmed the upcoming milestones for its historic Artemis II mission—the first crewed flight of the Space Launch ...

It’s been a long road getting here, but the American space agency is finally capable to say it overcame a major hurdle on its race to the Moon. The second wet dress rehearsal test was conducted on ...

The Space Launch System (SLS) rocket that will fly NASA's Artemis 1 moon mission is at the pad for a critical series of tests this weekend. NASA officials held a call with reporters on Wednesday (June ...