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Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
The far reaches of the solar system and beyond
Take a look at distant worlds, far-out views of the cosmos, and even some remote possibilities with this week’s scoop on space news and solar system history.
Solar System History 101
How did our solar system come to be? Why are the planets, asteroids, comets, and other small worlds where they are now?
Jupiter Mission by China Could Include Callisto Landing
China plans to select one of two Jupiter mission concepts that would launch in 2029 and arrive in 2035.
Processing images of the cosmos and returning to the Moon
Take a look at space image processing, and try it yourself. Plus, catch up on the week’s space news.
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.
So long, 2020, and thanks for all the space
Look back on the year’s accomplishments and enjoy the beauty of the cosmos.
Jupiter and Saturn Great Conjunction Viewing Guide
There's still time to get outside and see Jupiter and Saturn together in the evening sky.
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.
The great conjunction! (And how it functions)
Everything you need to know about Saturn and Jupiter’s upcoming conjunction, and more from this week in space exploration.
Wish upon a shooting star (or a descending asteroid sample)
Hayabusa2 brings its sample safely to Earth, and the Geminids meteor shower approaches.
Your guide to future total solar eclipses
Bruce Betts and Sarah Al-Ahmed provided a guide to all total solar eclipses through the end of the 2020s, with dates and locations.
Would you care for a sample?
Bringing samples of the Moon and Ryugu to Earth, and mourning further damage to the Arecibo Observatory.
A moon mountain and a radio retrospective
Say hello to a new lunar sample return mission and farewell to a long-lived radio observatory. Plus, celebrate 18 years of Planetary Radio.
Moon Features You Can See From Earth
What can you see on the Moon tonight? This guide from The Planetary Society will help you identify some features.
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.
Your Guide to Water on the Moon
Learn when we discovered lunar water, where it is, and how future missions will study it.
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 space spookfest
Catch up on news from across the ghoul-axy and beyond.
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