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Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
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.
How we test spacecraft before launch
The array of space-simulating test facilities a spacecraft tours through before it can blast off of Earth.
Your impact: March Equinox 2022
We've announced the winners of this year's Shoemaker NEO Grants and look back on an impactful year.
Where are the ocean worlds in our solar system?
Ocean worlds are among the best candidates to search for life.
A fascination with Europa
A look back at when the Voyager spacecraft sparked a love affair with an ocean moon.
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.
The best space pictures from the Voyager 1 and 2 missions
NASA’s Voyager missions provided an unprecedented glimpse into the outer solar system.
Why you should advocate for planetary defense
People like you need to take action to defend our planet from asteroid impacts.
An ice giant and its dwarf companion
Neptune and Triton come into focus as destinations worth exploring.
What light through yonder prism splits?
Discover how we use light to look for signs of life beyond Earth, and meet the newest batch of Planetary Society-funded asteroid hunters.
Return to Neptune? The plans to send an orbiter to the elusive planet
Is it time NASA sent an orbiter to study the other blue planet in our solar system? Proposals for missions to study the ice giant planet Neptune and its mysterious moon Triton have been on NASA’s to-do list for over a decade, but until now nothing has happened.
Announcing the 2021 Shoemaker NEO Grant Winners
More funds than ever before support the work of asteroid hunters from around the world.
How we use starlight to look for alien life
The process of spectroscopy can help scientists hunt for biosignatures.
Olympic-worthy world(s) records
A look at record-breaking missions, worlds and feats of exploration.
The Space Advocate Newsletter, February 2022
The telescope that ate astronomy is now feasting on photons.
So much more than meets the eye
Space is even more spectacular when you can see beyond what the eye can behold.
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.
Meet the snow worlds
Earth isn't the only planet with snow. From Io to Enceladus, here's where snow can be found in our solar system.