JWST image of Neptune
NASA released Sept. 21 an image of Neptune taken by the James Webb Space Telescope, showing storms in the planet's atmosphere and its ring system. Credit: NASA, ESA, CSA, STScI

PARIS — One part of an instrument on the James Webb Space Telescope is out of service temporarily, although project officials are confident it will not be a long-term problem.

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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...