The core stage for NASA's Artemis 3 rocket arrived at Kennedy Space Center in Florida on Monday (April 27), completing a barge journey of 900 miles (1,450 kilometers). The central piece of NASA's next moon rocket has made it to the launch site. The top 80% of the core stage of the Space Launch System (SLS) rocket that will launch the crewed Artemis 3 mission arrived at Kennedy Space Center (KSC) in Florida on Monda... [1214 chars]