Artemis III delays could threaten landing on the moon in 2028

NASA's Artemis III mission is about three months behind schedule, administrator Jared Isaacman says, putting pressure on the agency's plan to launch two moon-landing missions in 2028. In a wide-ranging email to employees on Sunday, Isaacman said Artemis III could launch in the summer of 2027, preserving two opportunities for lunar landings the following year. But that's the "best-case scenario." NASA doesn't plan to put astronauts on the moon during Artemis III. The agency redesigned the mission earlier this year as a crewed flight in Earth orbit, wherein astronauts would rehearse docking the Orion spacecraft with lunar landers built by...