NASA’s Artemis II mission encountered another hydrogen-related setback during a “confidence test” on Feb. 12, 2026, when a ground support equipment issue restricted the flow of liquid hydrogen into ...

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 engineers spent the weekend studying the data after another attempt to fill the agency's monster Space Launch System (SLS) produced mixed results.… Dubbed a "confidence test" by NASA, the core ...

To fix the problem, NASA has to roll SLS and the stacked Orion spacecraft back to the Vehicle Assembly Building (VAB) at the agency’s Kennedy Space Center in Cape Canaveral, Florida. Weather ...