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.
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.