
NASA Shutters ‘The Earth Observer’ Publication; EOS Flagships Face 2026 Retirement
NASA announced on Monday, Dec. 29, that it will cease publication of The Earth Observer, the agency's long-running Earth Science newsletter, effective Dec. 31, 2025. The closure of the 36-year-old publication marks a symbolic transition for the agency, which also confirmed plans to retire its three major Earth Observing System (EOS) flagship satellites—Terra, Aqua, and Aura—possibly as early as the end of 2026.
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