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.
The Day of Action returns to Capitol Hill
Planetary Society members traveled to Washington, D.C., in September 2023 to advocate for the future of space science and exploration.
See for yourself
See the month’s coolest space pictures, see planets in the night sky, and create the future in space that you want to see.
Hasta la vista, baby
Terminators abound this week in space, and we’ll be back to Mars if NASA gets the budget it needs.
Way out there
We’re always learning more about the worlds of the outer Solar System, and even those beyond.
Rocket flight and the five dwarfs
Meet the Solar System’s five official dwarf planets, celebrate two major launches, and find out why planets sometimes seem to go backwards across the sky.
2023 Digital Day of Action recap
The Planetary Society's all-virtual advocacy event was a success, with more than 1,500 advocacy actions taken.
Want more space? Speak up!
Detailed Mars maps, insights into the Venusian surface, and views of Uranian rings all have one thing in common: they don’t happen without public support for space.
The Space Advocate Newsletter, March 2022
A future with more of our strengths and fewer of our weaknesses.
Dive into these ocean worlds
Intriguing moons that may hide water beneath their surfaces, and what it takes to visit them.
Another Day in Action
115 members of The Planetary Society from 33 states met with 161 congressional offices to support space science and exploration in 2022.
Space brings out the best in us
Space exploration is at its core an optimistic, peaceful and cooperative endeavor. This week we look at some reminders of that spirit of exploration.
Why you should advocate for planetary defense
People like you need to take action to defend our planet from asteroid impacts.
Shoot for the moon that shoots back
Saturn’s moon Enceladus has some intriguing features: snow, ice, geysers, stripes and much more, all waiting to be further explored.
Why we do the Day of Action
It's the most effective way to advocate for space. It also connects members of The Planetary Society with shared dreams for the future.
Space Advocates, Assembled
The 2021 Day of Action brought together 145 Planetary Society members from 30 states with 167 congressional offices.
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.
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.