NASA said crews started moving the rocket from the Vehicle Assembly Building Thursday at 5:47 p.m. and it reached the pad at 4:15 a.m. on Friday.

Five and nine NASA tested a new SLS booster that may never fly, and the end of it blew off NASA didn't want to say much about one of the tests, and the other one lost its nozzle.

The mobile launcher that will serve as the construction base and launch platform for NASA’s heavy-lift SLS rocket and Orion deep-space capsule was transported to Kennedy Space Center’s Launch ...

NASA’s Space Launch System (SLS) rocket with the Orion spacecraft aboard is seen atop the mobile launcher at Launch Pad 39B, Friday, Nov. 11, 2022, at NASA’s Kennedy Space Center in Florida.

As a new administration looms, NASA's Artemis II SLS moon rocket is ready for stacking inside the VAB. The goal is a 2026 launch.

Critics of the large and expensive rocket—a single launch costs in excess of $2 billion, exclusive of any payloads or the cost of ground systems—say NASA should cut its losses. Keeping the SLS ...