Starliner in orbit
Boeing's CST-100 Starliner will reach the ISS a little more than a day after its scheduled Dec. 20 launch from Cape Canaveral, Florida. Credit: Boeing

WASHINGTON — A second uncrewed test flight of Boeing’s CST-100 Starliner commercial crew spacecraft is now scheduled for no earlier than the end of March, 15 months after its first, flawed mission.

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Jeff Foust writes about space policy, commercial space, and related topics for SpaceNews. He earned a Ph.D. in planetary sciences from the Massachusetts Institute of Technology and a bachelor’s degree with honors in geophysics and planetary science...