With the Artemis II SLS rocket and Orion spacecraft at the launch pad, experts will be conducting the wet dress rehearsal ...

Shortly after NASA’s Artemis II SLS (Space Launch System) rocket and Orion spacecraft arrived to Launch Pad 39B at the agency’s Kennedy Space Center in Florida on Jan. 17, engineers began preparations ...

NASA’s Artemis II Moon rocket is now at the launch pad, setting the stage for final prelaunch tests. The mission will send ...

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’s SLS and Orion rolled to the launch pad for the Artemis 2 mission Jan. 17, though uncertainty remains about when the ...

The Artemis 1 team managed to fully fuel the Space Launch System rocket. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA's Artemis 1 moon ...

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 tried three times during April to complete a critical fueling test of its large Space Launch System rocket. And three times, due to about half a dozen technical problems, the space agency failed.

NASA plans to take another crack at a crucial fueling test of its Space Launch System (SLS) megarocket on June 19. SLS will make its debut on the upcoming Artemis 1 mission, which will send an ...

KENNEDY SPACE CENTER, Fla.—Despite all of the hard work by its engineers and technicians, NASA did not really get close to firing up the massive Space Launch System (SLS) rocket on Monday. The rocket ...