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Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
The best places to search for life in our Solar System
From Earth's neighboring planets to distant moons, these are the best places to look for alien life.
What to look forward to in space in 2024
A total solar eclipse and the launch of Europa Clipper are on our list of cosmic events to get excited about this year.
What are Jupiter’s Galilean moons?
An introduction to Jupiter's moons Io, Europa, Ganymede, and Callisto.
The scientific truth is out there
The real science of aliens, the policy implications of ET, and new views of worlds beyond our own.
Juice launches on mission to explore Jupiter's icy moons
The spacecraft will explore Jupiter's moons Europa, Ganymede, and Callisto, all three of which may harbor subsurface oceans.
Juice launch and mission preview: What to expect
Juice is ready to launch on a mission to uncover the secrets of Jupiter's icy moons.
What the search for aliens can learn from life on Earth
When searching for extraterrestrial life, we have to base our hunt on what we know about life on our own planet. This may seem limiting, but there's a lot we can learn from the astonishingly diverse lifeforms we have here on Earth.
Our favorite moons of the Solar System
A brief guide to eight of our Solar System's most fascinating and scientifically promising moons.
By Jove! (Literally)
Jupiter’s moons have always been exciting to explore, and a new era of Jovian moon research is about to begin.
Best space pictures of the month: October 2022
Stunning views of Europa and the Eagle Nebula headline our roundup of space images released last month.
Look and see
New views of Europa, favorite sights from JWST, looking at the Cosmos from the air, and other ways to visually soak up our Universe.
Join the exoparty
With new instruments and a growing number of discoveries, exoplanet and exomoon research is just getting started.
Dive into these ocean worlds
Intriguing moons that may hide water beneath their surfaces, and what it takes to visit them.
A fascination with Europa
A look back at when the Voyager spacecraft sparked a love affair with an ocean moon.
Where are the ocean worlds in our solar system?
Ocean worlds are among the best candidates to search for life.
Mind-blowing pictures of the solar system's most volcanic worlds
An up-close look at volcanoes in space and how they differ from those on Earth.
Dunes and doppelgangers
What can we learn from patterns in the Martian sands? And what’s that Earth-like planet over there?
Planetary protection: How to explore Mars and other worlds responsibly
Planetary protection means protecting other worlds from Earthly microbes and containing possible microbes that sample return missions might bring back to Earth.
Solar Plasma and Europan Magma
From solar storms to underwater volcanoes and asteroid close calls, catch up on what’s scary and beautiful this week in space.
Atmospheres that intrigue, protect, and obscure
Catch up on the week’s space news and consider planetary atmospheres from a few thought-provoking perspectives.