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Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
Why this Ceres mission could change the search for alien life
The enigmatic water-rich world in the inner Solar System could be set for a bold new NASA astrobiology mission.
Planetary accessorizing
Planets are beautiful and fascinating enough on their own, but there’s no denying that moons and rings add a little something special.
How do planets get moons?
Here are the distinct ways in which the moons of our Solar System formed.
China looks to outer Solar System with nuclear Neptune orbiter
The mission proposal calls for nuclear fission power. Breakthroughs would boost China’s overall exploration capabilities.
Defend your planet
With so many asteroids out there, it’s up to us to defend our planet from impacts. Find out how you can make a difference.
LightSail 2 getting lower as it completes third year in space
An update on The Planetary Society's LightSail 2 mission, which launched in 2015.
How do planets get rings?
The planets in our Solar System show that no two ring systems are exactly alike.
Updates from our Shoemaker NEO Grant winners
Brief updates on what the latest Shoemaker NEO grant winners have been working on.
Persevering through it all
Exploration will always face setbacks, but this week’s Downlink reminds us of the impressive human ability to persevere.
A joint-letter in support of NEO Surveyor
The National Space Society and The Planetary Society jointly argue for funding the asteroid-hunting NEO Surveyor mission.
Why can't the ISS operate forever?
Here are the reasons the International Space Station (ISS) needs to deorbit eventually.
First steps and big leaps
Technological innovation is a big part of the fun of space exploration, and you can help make it happen.
What might JWST reveal about TRAPPIST-1?
We spoke with the scientists leading the first observations of TRAPPIST-1 using the James Webb Space Telescope (JWST) in order to understand what mysteries their observations will help unlock.
The Space Advocate Newsletter, June 2022
NASA's proposal to slash funding for NEO Surveyor highlights the lessons unlearned after COVID.
How The Planetary Society got to Mars
The story of how the first-ever names on Mars became those of Planetary Society members.
Renaissance in red
Learn how Pathfinder set the stage for Mars sample return.
Your impact: June Solstice 2022
Meet the first-ever winners of our Science and Technology Empowered by the Public Grant awards!
Remembering our journey
Planetary Society members share their stories from the Mars Pathfinder landing
Request for Proposals for the 2022 Science and Technology Empowered by the Public (STEP) Grants
We are excited to announce a new Request for Proposals (RFP) for our Science and Technology Empowered by the Public (STEP) Grants.
A hazy shade of winter
A Martian explorer hunkers down for winter and a planet’s haze is explained.