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Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
Join the exoparty
With new instruments and a growing number of discoveries, exoplanet and exomoon research is just getting started.
Beyond the far side
Explore the two-faced Moon and meet two new projects paving the way for the future of space science.
The Space Advocate Newsletter, March 2022
A future with more of our strengths and fewer of our weaknesses.
Announcing the First-Ever STEP Grant Winners: Citizen Science SETI and Determining Asteroid Properties
The new STEP Grants program is designed to regularly compete a significant portion of The Planetary Society’s science and technology portfolio.
Dive into these ocean worlds
Intriguing moons that may hide water beneath their surfaces, and what it takes to visit them.
How we test spacecraft before launch
The array of space-simulating test facilities a spacecraft tours through before it can blast off of Earth.
Where are the ocean worlds in our solar system?
Ocean worlds are among the best candidates to search for life.
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.
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.
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.
Alone in space, but not lonely
Comet Leonard heads out to roam free in interstellar space, alongside rogue planets, their moons, and maybe even life.
Is life possible on rogue planets and moons?
Our exploration of the solar system combined with two decades of exoplanet research tells us there are several possibilities for life to exist on starless planets and their moons.
New year, same universe
While missions are achieving new things, the cosmos reminds us that some things are universal.
Space is always worth the wait
With space missions like JWST and Voyager, decades of development yield decades of discovery.
Who loves the Sun?
Our host star takes center stage, and JWST demands a little more patience.
Let’s not forget the other Mars explorers
This week we take a look at some of the amazing Mars exploration being conducted, and celebrate the highlights of space in 2021.