NASA said Friday it’s adding an extra moon mission by Artemis astronauts before attempting a high-risk lunar landing with a crew.

As teams prepare to launch Artemis II, a ten-day flight around the Moon with astronauts Reid Wiseman, Victor Glover, Christina Koch, and Canadian astronaut Jeremy Hansen—NASA Administrator Jared Isaac...

But the additional mission gives NASA more practice launching its rocket and allows the agency and its partners to collect additional data as they finalize moon-landing hardware.