NASA’s Artemis 3 mission, set to return humans to the Moon in 2025, might not involve a crewed landing after all, an official said Tuesday. Jim Free, the space agency’s associate administrator for the Exploration Systems Development Mission Directorate, told reporters in a briefing that certain key elements would have to be in place — notably the landing system that is being developed by SpaceX. Should that not be ready on time, “We may end […]