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Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
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.
Where are the ocean worlds in our solar system?
Ocean worlds are among the best candidates to search for life.
A fascination with Europa
A look back at when the Voyager spacecraft sparked a love affair with an ocean moon.
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.
A dwarf planet, a rogue planet, and a glow-in-the-dark moon
All the wonders that the cosmos offered up this week, plus news about NASA’s leadership and an exciting launch.
The Next 10 Years
Six scientists share the major planetary science discoveries of the past decade, and the questions that will drive the next 10 years of solar system exploration.
Planetary Society Talks Europa, Planetary Defense, and Solar Sailing in Washington D.C.
Thanks to our members and donors, The Planetary Society participated in several activities at the 2019 International Astronautical Conference.
The Realm of the Ice Giants
Imagine 2 icy worlds far from the Sun. Their serene, blue atmospheres. Huge, ominous-looking storms. Tantalizing glimpses of moons with exotic, icy terrains. Delicate sets of encircling rings.
A new look at Europa, with old data
Ted Stryk shows us a new color, near-global view of Europa made from Galileo spacecraft data captured in 1996.
The Making of Life
Michael L. Wong asks how our understanding of the origin of life on Earth informs our search for it elsewhere.