Sentinel-1B
ESA is continuing to investigate a problem with the power system on the Sentinel-1B satellite that has kept the radar imaging satellite out of service since late December. Credit: ESA

WASHINGTON — European Space Agency officials said prospects are dimming for the recovery of a radar imaging satellite that malfunctioned nearly three months ago, but that efforts to save the spacecraft continue.

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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...