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The Planetary Society

Mission updates and advocacy from the nonprofit Carl Sagan co-founded

Newsletter Astronomy Monthly Updated Oct 2026

About

Founded by Carl Sagan, Bruce Murray and Louis Friedman in 1980, The Planetary Society is a nonprofit built around public support for planetary science and space exploration, and its newsletter mixes mission updates from NASA and other agencies with the organization's own advocacy work in Washington.

It's written for people who care about space exploration as a civic cause, not just a spectacle, so expect updates on NASA's budget fights alongside coverage of what the latest Mars rover found. The tone is earnest and a little old-school, which tracks with an organization that's been making this same argument for over four decades.

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