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Science news by AGU. Keep up to date on the latest climate and science reporting by journalists, as well as exciting discoveries and insightful opinions from researchers and other scientist authors.

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AEROSPACE ENGINEERING
The Effects of Polar Night and Day on Arctic Air Masses
These clouds associated with a cold air outbreak (CAO) were photographed near the Arctic island of Svalbard in spring 2026 as part of an aircraft observing campaign. Credit: Marcus Klingebiel
NORWAYTEXASMANFRED WENDISCHFELIX PITHAN