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Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
What are planets made of?
A look at the compositions of terrestrial planets, gas giants, and ice giants in our Solar System.
How astronomers search for life on exoplanets
Technologies for studying planets around other stars are advancing all the time. Along with those advancements come new ways to look for possible signs of life on those planets.
Cometary sights and sounds
Discover what causes a comet’s color and what it might be like to listen to one whiz by.
Hasta la vista, baby
Terminators abound this week in space, and we’ll be back to Mars if NASA gets the budget it needs.
Are exoplanet 'terminator zones' a lead in the search for life?
Exoplanets with terminator zones are unusual worlds that may challenge our traditional understanding of habitability.
Speedy spacecraft and pretty pics
Take a look at some of our favorite recent space images and learn about an express mission to Mars.
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.
Way out there
We’re always learning more about the worlds of the outer Solar System, and even those beyond.
Moonshadow, Moonshadow
The Moon casts shadows on itself and on Earth, environmental concerns overshadow a test launch’s success, and exoplanets are awesome (beyond a shadow of a doubt).
Asteroids worth getting psyched about
New discoveries from Ryugu, material heading our way from Bennu, and anticipation for a mission to Psyche.
Red hot space
This week’s roundup of space news and exploration inspiration will leave you seeing red (in the best way possible).
Weaving together a picture of the Cosmos
When we combine data sources, collaborate with each other, and invite artistic perspectives, we can better understand the Universe we live in.
What does a bear have in common with a megatsunami?
An old image of Mars drives scientific questions today, moons and mini asteroids fuel fascination, and an unexpected ursine figure shows itself.
More worlds, anyone?
The more we search, the more we find. From exoplanets to moons to asteroids, the list of worlds just keeps growing.
By Jove! (Literally)
Jupiter’s moons have always been exciting to explore, and a new era of Jovian moon research is about to begin.
How JWST confirmed its first exoplanet and opened a new frontier
JWST's observations of the exoplanet LHS 475 b have demonstrated the space telescope's abilities in the realm of rocky exoplanet research.
Your guide to rings of the Solar System
Tour the rings of Jupiter, Saturn, Uranus, and Neptune, plus asteroids, a dwarf planet, and an exoplanet.
Gifts from above
The Cosmos has so many gifts to give us, from awe-inspiring images to fascinating discoveries. We’ve got our own set of gifts to recommend too.
Creepy Cosmos! Scary space! Petrifying planets!
An especially spooky Halloween edition of The Downlink.
A smashing success
Celebrate DART’s successful self-destruction and behold the jewels of the Cosmos.