Fixing the Space Launch System rocket's helium pressurization problem has pushed the Artemis II launch to at least April 1.

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Artemis 2's Space Launch System rocket core stage was fitted with 4 RS-25 engines at NASA’s Michoud Assembly Facility in New Orleans. Footage courtesy: NASA/Evan Deroche/Steven Seipel/Eric Bordelon ...

NASA has officially begun rolling the Artemis II rocket away from Launch Pad 39B and back toward the Vehicle Assembly ...

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American space agency NASA said the Space Launch System (SLS) rocket and the Orion spacecraft of Artemis II are now back in the Vehicle Assembly Building (VAB).

NASA's Space Launch System rocket and Orion spacecraft for the Artemis II mission returned to the Vehicle Assembly Building ...

The 322-foot Space Launch System rocket had spent a month at the pad ready for potential liftoff, but encountered a series of problems serious enough to require a return to the Vehicle Assembly ...

NASA has at least another 8 miles of terrestrial travel to accomplish before it can take on a 600,000-mile trip to space.