NASA is taking steps to potentially roll back the Artemis II rocket and Orion spacecraft to the Vehicle Assembly Building (VAB) at the agency’s Kennedy Space Center in Florida after overnight Feb. 21 observing interrupted flow of helium to the SLS (Space Launch System) rocket’s interim cryogenic propulsion stage.

NASA is preparing to conduct a critical prelaunch test known as a wet dress rehearsal for the historic Artemis II mission.

NASA's Artemis 2 Space Launch System rocket begins wet dress rehearsal fueling test at Kennedy Space Center, preparing for the mission to carry astronauts around the Moon.

Weather pending, NASA will roll the SLS (Space Launch System) rocket and Orion spacecraft for Artemis II off the launch pad at the agency’s Kennedy Space Center in Florida as soon as Tuesday, Feb. 24.

NASA is quietly racing to close a dangerous gap in its launch security, warning that Kennedy Space Center needs a dedicated system to spot drones before one wanders into the wrong airspace at the wrong moment. The agency is now seeking a sophisticated ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA’s giant SLS (Space Launch System) rocket is set to roll to the launch pad Saturday as it prepares to return humans to the vicinity of the moon for the first time in more than 50 ...