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Stories by Alexandra Witze

Antarctic Ozone Hole Is on the Mend

Global regulation of chlorine compounds is giving the atmosphere time to heal, even as volcanic eruptions interfere

July 1, 2016 — Alexandra Witze and Nature magazine

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