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Community Account Renew Search Our Work Explore Space Take Action About Donate Join Search Menu Join Become A Member Renew Gift Membership Kids Membership Other Ways to Give Donate Join Donate Back ToWhat We Do Explore Worlds Find Life Defend Earth How We Work Education & Public Outreach Space Policy & Advocacy Science & Technology 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. Back ToSpace Topics Planets & Other Worlds Space Missions Night Sky Space Policy For Kids Learn Articles Planetary Radio Space Images Videos Courses The Planetary Report The Eclipse Issue Science and splendor under the shadow. Back ToGet Involved Become A Member Membership programs for explorers of all ages. Email Signup Get updates and weekly tools to learn, share, and advocate for space exploration. Action Center Volunteer as a space advocate. Support Our Mission Renew Membership Society Projects Travel Other Ways to Give Store 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. Give Today Back To Overview Strategic Framework News & Press Careers Contact Us Our Story Our Vision Know the cosmos and our place within it. Our Mission Empowering the world’s citizens to advance space science and exploration. Back ToMembership Become A Member Renew Membership Gift Membership Kids Membership Other Ways to Give Contact Us Our Work Explore Space Take Action About Membership Member Community Account Center Search Exploration is in our nature.” - Carl Sagan Advance space exploration Learn about our mission to increase discoveries in our Solar System, elevate the search for life beyond our planet, and decrease the risk of Earth being hit by an asteroid. Sign up for updates, weekly tools, and exclusive opportunities to support space exploration. You may opt out any time. View our Privacy Policy . is a registered nonprofit organization. Become A Member Beyond the Horizon Take Action Featured Stories Space Missions Meet the Habitable Worlds Observatory, NASA’s life-seeking telescope The Sun Should you be worried about solar storms? Mars Sample Return Can SpaceX’s Starship save Mars Sample Return? Advocacy NASA’s FY 2025 budget request is not enough Night Sky What’s up in the night sky: May 2024 Planetary Radio TARDIS Talk: Space, Time, and Doctor Who” with Russell T. Davies More Articles Find your place in space Co-founded by Carl Sagan in 1980, is a member-funded nonprofit organization dedicated to advancing space science and exploration through three core enterprises. Explore Worlds Increase discoveries about the worlds of our solar system and beyond. Find Life Elevate the search for life as a space exploration priority. Defend Earth Decrease the risk of Earth being hit by an asteroid or comet. This content is hosted by a third party (vimeo.com), which uses marketing cookies. Please accept marketing cookies to watch this video. Join CEO Bill Nye and become a member of the world’s largest and most effective space advocacy movement. $4 /month $10 /month $20 /month $40 /month Featured Fundraising Campaign Let’s Go Beyond the Horizon Every success in space exploration is the result of the community of space enthusiasts, like you, who believe it is important. You can help usher in the next great era of space exploration with your gift today. Donate Space Policy & Advocacy Where we stand on the issues Mars sample return, increasing NASA science funding, advocating for NEO Surveyor, flexibility for Artemis procurement and partnerships, and elevating the search for life beyond Earth. Together we’re active in advancing space science and exploration. Learn More Become A Member $4 /month $10 /month $20 /month $40 /month Get More Space Sign up for updates, weekly tools, and exclusive opportunities to support space exploration. You may opt out any time. View our Privacy Policy . Explore Space Planets & Other Worlds Space Missions Night Sky Space Policy For Kids Learn Articles Planetary Radio Space Images Videos Courses The Planetary Report Get Involved Action Center Email Signup Become A Member Contact Give Renew Membership Support A Project Shop to Support Travel Other Ways to Give Empowering the world’s citizens to advance space science and exploration. Account Center • Contact Us • Privacy Policy Give with confidence. is a registered 501(c)(3) nonprofit organization. © 2024 . All rights reserved. Cookie Declaration For full functionality of this site it is necessary to enable JavaScript. Here are instructions on how to enable JavaScript in your web browser...