Explore Worlds
Find Life
Defend Earth
All
All
Sun
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
A galaxy that spins in more ways than one
Listen to the sounds of the Whirlpool Galaxy and look back at our earliest picture of it.
Happy Flightiversary to the Space Shuttle and Yuri Gagarin
An exclusive chat with first shuttle pilot Bob Crippen, plus looking ahead to Yuri’s Night and the first Mars helicopter.
Martian Ingenuity and Venusian imagination
Get a peek at the Martian moon and catch up on what the newest Mars explorer has been up to.
Space Advocates, Assembled
The 2021 Day of Action brought together 145 Planetary Society members from 30 states with 167 congressional offices.
Recommendations for the Future of Canadian Space Exploration
The Planetary Society submitted these recommendations in response to the Canadian Space Agency's call for input on the future directions of Canada's space exploration activities.
When Phobos hits your eye like a big pizza pie...
Get a peek at the Martian moon and catch up on what the newest Mars explorer has been up to.
A cosmic bowling ball spinning through space
Jupiter is a world of extremes, and Venus hints at some mysteries. You can take action to help learn more about these worlds and others.
Making our mark on other worlds
Perseverance’s tracks show where it’s been. You can help decide where we’re going.
Cosmic streaks, smudges, and fuzz
See images of the cosmos that reflect fascinating features of worlds and stars, and take action to advance exploration.
Your Impact: March Equinox 2020
Celebrating Shoemaker Grant winners, Society awards, and volunteer efforts around the world.
161 meetings. 115 members. 28 states. 1 Day of Action.
More than one hundred Planetary Society members from near and far advocated for space science and exploration in Washington, D.C. on 10 February 2020.
In 1983, Carl Sagan Urged NASA to Send a Mission to Saturn and Titan
Long before the Cassini-Hugygens spacecraft launched in 1997 to explore Saturn and Titan, The Planetary Society urged NASA to make the mission a reality.
Registration Is Now Open for the 2020 Day of Action
Join The Planetary Society and advocate for space in Washington, D.C. this 9 - 10 February 2020.
Your Impact: September Equinox 2019
Your LightSail 2 spacecraft is in space, controlling its orbit solely on the power of sunlight.
Your Impact: June Solstice 2019
The first of two new columns rounds up all the ways Society members are making a difference for space.
100 Planetary Society Members. 25 States. 1 Day of Action.
Society members from across the United States came to Washington, D.C. on their own dime to advocate for space science and exploration.
Why Start A Space Program?
Casey Dreier observes the genesis of a new space agency in Australia, and how The Planetary Society helped make it happen.
Space Policy & Advocacy Program Quarterly Report - July 2018
The Planetary Society's Space Policy and Advocacy team publishes quarterly reports on their activities, actions, priorities, and goals in service of their efforts to promote space science and exploration in Washington, D.C.
Space Policy & Advocacy Program Quarterly Report - April 2018
The Planetary Society's Space Policy and Advocacy team publishes quarterly reports on their activities, actions, priorities, and goals in service of their efforts to promote space science and exploration in Washington, D.C.
Introducing Space Advocacy 101
Space Advocacy 101 is a new online course to help space fans become empowered space advocates.