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Stories by Alexandra Witze89 articles archived since 1845

Kepler Spacecraft in Emergency Mode

NASA engineers work to recover the newly repurposed space telescope on the eve of a new type of planet search  

April 11, 2016 — Alexandra Witze and Nature magazine

Pluto's Geology Is Unlike Any Other

First published findings from NASA’s New Horizons mission lay out the dwarf planet’s wildly varying terrain

October 16, 2015 — Alexandra Witze and Nature magazine