NASA kills lunar space station to focus on ambitious Moon base

WASHINGTON, DC—NASA Administrator Jared Isaacman on Tuesday laid out a sweeping vision for the space agency’s next decade during an event called “Ignition” in which he and other senior leaders set out their exploration plans.

Isaacman and his colleagues shared a number of major announcements, including outlining a nuclear-powered mission to Mars that will release three helicopters there and major changes to commercial space stations. However, most significantly, Isaacman outlined a detailed...