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Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
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.
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.
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.
A hazy shade of winter
A Martian explorer hunkers down for winter and a planet’s haze is explained.
China is getting serious about planetary defense
Here is what we know about the capabilities and technologies China is considering developing in the near future for near-Earth object monitoring, cataloging, early warning and response.
It’s not easy being this far out
Distant robots run into problems, and distant worlds hold onto secrets — for now.
A little too close for comfort
From gas orbiting a supermassive black hole to asteroids orbiting near the Earth, sometimes the vastness of space can feel a bit tight.
How Uranus and Neptune are key to unlocking how planets form
A flagship mission to the ice giants — Uranus and Neptune — will forever change our understanding of the origin and evolution of our solar system.
Your cosmic community
There’s no limit to what a community of like-minded space enthusiasts, advocates and even famous luminaries can achieve when we all work together.
When to worry about an asteroid striking Earth
The chances of large impacts from asteroids and near-Earth objects capable of causing widespread damage on Earth are small — but they aren’t zero.
That’s so metal
Gear up for a mission to a metallic world and catch up on the latest in space news.
Surreal solar sights
New ways of looking at the star that graces our skies, plus this week’s space news.
Our planet’s day in the sun
Celebrate Earth Day by appreciating some of the unique and quirky characteristics of our home world.
Are we trashing space?
Humans have left many objects throughout space — whether it's archaeology or simply littering is up for debate.
Planetary Science Decadal Survey: After the Red Planet, an Ice Giant
After completing Mars Sample Return, Uranus should be the target of NASA's next major planetary mission, according to a major new report by the National Academies of Sciences.
Earthlings off-planet
Celebrate 61 years of humans in space, and take a look at the latest news from our exploration of the cosmos.