NASA’s leadership is shaking things up, announcing a series of major changes aimed at keeping the agency on track for establishing a human presence on the Moon while getting rid of dead weight. During a full-day event on Tuesday,

NASA plans to launch a nuclear-powered spacecraft to Mars by 2028, a major step for deep space exploration and its planned moon base.

NASA’s proposed changes to its support of commercial space stations have created concern and confusion among companies developing them.

The American space agency has just announced some major changes to the lunar plans by the end of the decade and beyond.

The lunar satellite, much of which was already built, will now be repurposed where possible. Permanent infrastructure on the moon is a major step in NASA’s long-term plans — and a stepping stone to get to Mars.