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The Planetary Society, the world's largest space-interest group, is dedicated to inspiring the public with the adventure and mystery of space exploration. Through our projects and publications, the Society plays a leading role in aligning scientists, engineers, writers, educators, and filmmakers in innovative coalitions to engage the public and fuel support for exploring other worlds. We make YOU a part of space exploration!

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Last Chance to Send Us a Postcard from Venus!

Society Marks Passing of SETI Critic, Senator Proxmire

Hayabusa: JAXA Delays Departure of Injured "Falcon" to 2007

Cosmos 1 Named One of Most Innovative Ideas of 2005

Cassini Completes Initial Reconnaissance of Saturn's Icy Moons

Hayabusa: Team Re-Establishes Command and Works to Bring its Falcon Home

Cassini Photographs the Fountains of Enceladus

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Solar Sail Update, Dec. 2: Getting Started

Blog: News and Information about Space Exploration

Gift Memberships: A Whole Year of Exploration Wrapped in the Perfect Package.

Space Advocacy Victory: Congress Removes Legal Barrier to Space Exploration

Planetary Radio, Dec. 19: Uranus and Neptune Take Center Stage with Heidi Hammel

Celebrate 25 Years of The Planetary Society!

NASA's Advisory Council: Three Members of The Planetary Society's Board of Directors on the New Council

ESA Council of Ministers Commits Europe to Leading Role in Space

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