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Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
Astronomers thought JWST might find signs of life. Now they have a new plan.
An update in the search for alien life beyond the Solar System.
Days after Artemis II, scientists warn of deep cuts to NASA missions
The scientists behind threatened missions speak out.
84 NASA missions at risk under new proposal
Proposed NASA cuts would reduce NASA’s workforce by thousands and cancel over 50 space missions.
Beyond the unknown: The coming Kuiper belt revolution
Discoveries about the worlds of the Kuiper belt could revolutionize our understanding of the Solar System and its ancient past.
Calendar of space events 2026
Space missions, rocket launches, and celestial events are coming our way in 2026.
New NASA budget would shut down 41 space missions
Proposed NASA cuts would cancel dozens of space missions — including spacecraft already paid for, launched, and making discoveries.
A possible sign of life on K2-18b? Here’s what it means — and why it's just the beginning
If dimethyl-sulfide truly exists on the planet K2-18 b, it could be a huge milestone in the search for life.
Earthlings as aliens
Looking at life on Earth from another perspective.
Meet the Habitable Worlds Observatory, NASA’s life-seeking telescope
The observatory will directly image Earth-size exoplanets circling other stars.
NASA's FY 2025 budget request is not enough
Federal spending caps and inflation take a bite out of NASA's ambitions.
Uranus' biggest unsolved mysteries
Distant, icy Uranus has puzzled scientists for decades. From its sideways spin to its mysterious magnetic field, the oddball world has many secrets waiting to be revealed.
Why the true colors of the planets aren't what you think
Cameras on our space probes act as proxies for our own eyes, but what they see isn't necessarily what our eyes would see.
Looking for long waves
Why JWST observes in the infrared.
See for yourself
See the month’s coolest space pictures, see planets in the night sky, and create the future in space that you want to see.
That’s a mare
An unusual lunar feature, Saturn’s shining rings, and Mars’ complex gullies.
Speedy spacecraft and pretty pics
Take a look at some of our favorite recent space images and learn about an express mission to Mars.
Searching the skies to keep us all alive
Astronomers around the world are working to protect the Earth from asteroid impacts, with the help of Planetary Society members and donors.
Day and night, it’s all about starlight
This week in space: Mars days almost match up with ours, and light and molecules are created by distant stars.
The scientific truth is out there
The real science of aliens, the policy implications of ET, and new views of worlds beyond our own.
Would you like some salty water with your space salad?
Two new grant-winning projects, a collection of awesome space imagery, a mighty plume, and much more this week in space.