NASA is seeking interest from organizations to launch CubeSats on future Artemis missions, with initial consideration given to those responding by June 1. The Artemis missions will provide opportunities for teams to conduct science and technology investigations that contribute to human space exploration. The Space Launch System rocket will be used to launch the CubeSats.

Source: https://www.nasa.gov/missions/artemis/nasa-seeks-interest-for-artemis-mission-cubesats/