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Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
Alone in space, but not lonely
Comet Leonard heads out to roam free in interstellar space, alongside rogue planets, their moons, and maybe even life.
Is life possible on rogue planets and moons?
Our exploration of the solar system combined with two decades of exoplanet research tells us there are several possibilities for life to exist on starless planets and their moons.
Onward to 2022
Looking back at an amazing year in space, here on Earth and beyond.
Mind-blowing space volcanoes
Taking a look at volcanic worlds in our solar system and exoplanets that might crack under pressure.
Explorers beware, you’re in for a scare!
In celebration of Halloween, take a terrifying tour through our creepy cosmos.
Dunes and doppelgangers
What can we learn from patterns in the Martian sands? And what’s that Earth-like planet over there?
What are the most Earth-like worlds we’ve found?
The ongoing hunt for Earth-like worlds, especially over the next few decades, hopes to illuminate how ordinary and extraordinary our planet may be.
A galaxy that spins in more ways than one
Listen to the sounds of the Whirlpool Galaxy and look back at our earliest picture of it.
Martian Ingenuity and Venusian imagination
Get a peek at the Martian moon and catch up on what the newest Mars explorer has been up to.
A cosmic bowling ball spinning through space
Jupiter is a world of extremes, and Venus hints at some mysteries. You can take action to help learn more about these worlds and others.
Are the Universe's Smallest Stars Promising Places for Life?
Red dwarf stars are more common than our Sun. What are the prospects for life on exoplanets that orbit them?
Seeing, feeling, and imagining the cosmos
Explore space art created by members of The Planetary Society’s community, and learn about a possible alien signal.
Aliens at Proxima Centauri? A New Radio Signal Raises the Question
Extraordinary claims require extraordinary evidence, so here are the reasons why there may or may not be aliens in our cosmic backyard.
Planetary Society Reacts to Loss of Arecibo Observatory Radio Telescope
Arecibo helped us explore the cosmos and our solar system, search for life, and defend Earth from potentially dangerous asteroids.
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.
Carl Sagan’s wisdom and vision, and how far we’ve come since his time
Even Sagan would be amazed by multitudes we now know our cosmos may hold. Learn more, plus get your scoop on the week’s space news.
A devil on Mars and defenders of Earth
From dust devils and craters on the Martian surface to spots on the Sun, we’re taking a look at everything new and exciting in space science and exploration this week.
Missions to Mars, and exoplanets caught on camera
Everything you need to know about two missions en route to Mars and another gearing up for launch, plus the rest of the week’s space news.
Mars in all its glory, and a planet as hot as a star
Dive into Mars mania and catch up on this week’s space exploration updates.