What We Do

• Explore Worlds
• Find Life
• Defend Earth

How We Work

• Education & Public Outreach
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• Global Collaboration

Our Results

• Our Impact

  Learn how our members and community are changing the worlds.

• LightSail

  Our citizen-funded spacecraft successfully demonstrated solar sailing for CubeSats.

Space Topics

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• For Kids

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The Planetary Report

In Space Together

This issue showcases pictures of Earth, describes the wide variety of sample return missions in progress, and celebrates your impact in Washington, D.C.

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• Action Center

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  Join fellow space enthusiasts in advancing space science and exploration.

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The Planetary Fund

Accelerate progress in our three core enterprises — Explore Worlds, Find Life, and Defend Earth. You can support the entire fund, or designate a core enterprise of your choice.

About Us

• Overview
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• Contact Us
• Our Story

The Planetary Society

Our Vision

Know the cosmos and our place within it.

Our Mission

Empowering the world's citizens to advance space science and exploration.