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Stories, updates, insights, and original analysis from The Planetary Society.

Your Impact: September Equinox 2020

We’ve made some big changes to planetary.org, as we continue to advance advocacy, defend Earth, and chart the future of space exploration.

A Planetary Society Retrospective

Look back at the remarkable achievements our members have made over the past 4 decades, alongside other space milestones and events.

Pictures of Earth

During this singular moment in history as the entire world responds to the COVID-19 pandemic, we thought it would be appropriate to share some of our favorite pictures of Earth from space.

Your Impact: June 2020 Solstice

We're celebrating a successful Day of Action in Washington D.C., remembering [email protected], and looking forward to LightSail 2's extended mission.

Your Impact: March Equinox 2020

Celebrating Shoemaker Grant winners, Society awards, and volunteer efforts around the world.

A New Understanding

Abigail Fraeman examines how the Mars Exploration Rovers, Spirit and Opportunity, changed our view of Mars.

The December Solstice 2019 Issue of The Planetary Report Is Out!

Featuring an article by Abigail Fraeman on what the Mars Exploration Rovers Spirit and Opportunity taught us, and one by Javier Gómez-Elvira on the next steps in the search for life on Mars.

Your Impact: December Solstice 2019

Bill Nye revels in 4 decades of bringing space to everyone, and we celebrate our global membership.

The State of Planetary Defense

Vishnu Reddy delivers a sober but hopeful report on our understanding of near-Earth objects, their dangers, and our readiness.

Your Impact: September Equinox 2019

Your LightSail 2 spacecraft is in space, controlling its orbit solely on the power of sunlight.

The September Equinox 2019 Issue of The Planetary Report Is Out!

A new issue of The Planetary Report brings you our pride in the success of LightSail 2 and our gratitude to our members for making it happen. Plus Venus science from Akatsuki and Venus Express, and the status of planetary defense.

Why I Explore

I explore space because I like feeling insignificant. I crave a dark night sky that reminds me that our Sun and even our galaxy are not unique. I find comfort in thinking about countless generations of humans looking at the same sky and asking questions similar to the ones I ask.

Venus’ Ocean of Air and Clouds

Javier Peralta plumbs the depths of Venus’ atmosphere through the eyes of the Venus Express and Akatsuki orbiters.

Rosetta’s Ancient Comet

Rosetta is a European Space Agency mission with contributions from its member states and NASA. Operating such a complex mission with its 11 instruments and Philae lander is a success story in itself, but Rosetta’s greatest success is the science it delivered.

Apollo 11 Little West Crater Panorama

Apollo 11’S landing on 20 July 1969 was the day humans first set foot on another world. For the risky, challenging endeavor, NASA sought a smooth landing site, one lacking craters or mountains.

The June Solstice 2019 Issue of The Planetary Report Is Out!

Two feature articles bring you the excitement and science of exploring two very different representatives of the solar system's smaller worlds.

Your Impact: June Solstice 2019

The first of two new columns rounds up all the ways Society members are making a difference for space.

Treasure Hunting With Hayabusa2

IN THE EARLY hours of 22 February, light was just beginning to brighten the campus of JAXA’s Institute of Space and Astronautical Sciences (ISAS) in Kanagawa, Japan. It should have been a quiet time, but the Hayabusa2 control room was packed with people. We were about to land on an asteroid.

The March Equinox Issue of The Planetary Report Is Out!

I’m very pleased to announce the publication of the March Equinox issue of The Planetary Report: “Inside the Ice Giants.” The print issue shipped to members yesterday!

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Space is vast. There's a lot of exploring to do.

You can increase discoveries in the worlds of our solar system and beyond. When you join The Planetary Society, you help build public support for planetary science, encourage decision makers to prioritize human and robotic exploration, and support technological advances in planetary exploration.

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