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Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
All space rocks great and small
From large comets to tiny meteorites and all the asteroids in between, it’s worth finding all sizes of space rocks.
Supporting asteroid defense: The 2025 Shoemaker NEO Grant winners
Meet the latest winners of The Planetary Society's Shoemaker NEO Grant program.
Do rovers dream of electric sheep?
Rovers like Curiosity need their sleep. Meanwhile, dreams of interstellar travel are being pursued.
Eat, sleep, explore space, repeat
Astronauts may be living on the frontiers of human space exploration, but they still need to eat and sleep like the rest of us.
When space rocks get too close for comfort
Some of the best-documented encounters Earthlings have had with asteroids and meteorites.
Worlds in swirls
New research expands our understanding and observations of how planets form. And, good news in the fight for NASA funding.
Why send people back to the Moon?
What can an astronaut do on the Moon that a robot can’t?
The Space Advocate Newsletter, July 2025
Unprecedented. Unstrategic. Wasteful.
Spaceflight worth the fight
A flyby anniversary reminds us why missions of exploration are worth fighting for.
Ten years after Pluto, New Horizons faces a new threat
The newly proposed budget for NASA would shut down the spacecraft midflight.
Space sodas
Coke and Pepsi battled it out in space, and an astronaut got to enjoy another kind of sprite.
Scientists behind threatened NASA missions explain what’s at stake
Here is what they have to say, in their own words.
MRO, OMG!
NASA’s longstanding Mars orbiter is in the spotlight this week, along with some of our youngest and most passionate advocates.
How astronomers rank dangerous asteroids (and what that means for you)
A breakdown of the Torino scale, designed to give a quick sense of how worried you should be about an asteroid or comet.
I spy with new eyes
Vera Rubin releases its first images, asteroid discovery kicks up a notch, and JWST may have discovered its first planet.
Save NASA Science Campaign progress report
A status update from The Planetary Society's policy experts.
Updates from our asteroid-hunting Shoemaker NEO Grant winners
An overview of updates from some of our previous Shoemaker NEO Grant winners.
Volcanic inactivity
Most of the Solar System’s volcanoes are dead — but not all of them. NASA’s budget is still in trouble, but people are speaking up.
The 2025 Cosmos Award winner: Dava Sobel
The Planetary Society is proud to announce the newest recipient of the Cosmos Award for Outstanding Public Presentation of Science, author Dava Sobel.
The Space Advocate Newsletter, June 2025
Unprecedented. Unstrategic. Wasteful.