On May 20, an advanced NASA materials science experiment will be carried as a payload on board the U.S. Air Force X-37B winged reusable spaceplane. The X-37B is set for its fourth Atlas-V launch from Cape Canaveral. The Materials Exposure and Technology Innovation in Space (METIS) project is planned to remain in space for at least 200 days. By flying the METIS investigation on the X-37B, materials scientists will have the.. Read More