NASA's new Artemis moon rocket is illuminated by xenon lights as she sits on Launch Pad 39-B hours ahead of a planned launch at the Kennedy Space Center Saturday, Sept. 3, 2022, in Cape Canaveral ...

After months of tests, troubleshooting and repairs, engineers fueled the Space Launch System moon rocket for blastoff Monday on NASA's long-overdue Artemis 1 test flight — a mission to send an ...

After that, leaks of hydrogen fuel required the agency to make repairs. Next, Hurricane Ian rolled in and forced the rocket to roll back to its hangar, which Parsons called "a bit of a let-down ...

NASA officials described the engine-related problem with the agency’s moon rocket, which led to a launch delay Monday, as one more about plumbing than with the engine itself. Mike Sarafin, a NASA m ...

Amid a sequence of about a dozen commands being sent to the rocket, a command was sent to a wrong valve ... So why does NASA use liquid hydrogen as a fuel for its rockets if it is so difficult to ...

Breaking update: Fuel leaks have forced NASA to scrub the launch of its new moon rocket on a no-crew test flight. The next launch attempt will not take place until Friday at the earliest. The 322 ...

NASA's new moon rocket ... Bolger was asked about the hydrogen fuel leak and the decision to send a “Red Team” of specially trained technicians to fix it by tightening nuts on a fuel valve.

During the test, NASA attempted a "kinder and gentler" approach using lower pressure to fill the 322-foot-tall SLS rocket with thousands of gallons of cryogenic fuel.

As fuel and oxidiser are burned in the rocket's engines, helium fills the resulting empty space in the tanks, maintaining the overall pressure inside. Because it is non-reactive, it can safely ...