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Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
Lost and found
Some things are lost — Moon rocks, Io’s water, even (briefly) the Sun’s light — but what we find in space is so much greater.
A guide to eclipse vocabulary
A list of useful words and terms relating to lunar and solar eclipses.
Cometary sights and sounds
Discover what causes a comet’s color and what it might be like to listen to one whiz by.
A checklist for what to expect during the 2024 total solar eclipse
Know what to expect ahead of time, and be prepared to experience a cosmic spectacle like nothing else in nature.
Are your solar eclipse glasses safe?
A guide to how to make sure your solar eclipse glasses are safe and certified, plus tips on what to do — and what not to do — if you want to experience an eclipse without glasses.
How to see newly discovered Comet Nishimura
Comet Nishimura was discovered in August 2023, and is passing close to Earth and the Sun in September. Learn more about it and how to find it.
OSIRIS-REx sample return: What to expect
The spacecraft will drop off its precious samples of asteroid Bennu on Sept. 24, 2023.
See for yourself
See the month’s coolest space pictures, see planets in the night sky, and create the future in space that you want to see.
Moonstruck
Exploring humanity’s long relationship with the Moon.
Your impact: September equinox 2023
Meet the asteroid hunters you help support.
A lunar saga
How the origins of the Moon could shape the future of human space exploration.
To the moon together
An interview with Scott Pace about the Moon’s role in internationally cooperative human space exploration.
Moonstruck
From asteroid impacts to spacecraft landings (whether successful or not), the Moon is no stranger to being struck.
What would happen if an asteroid hit the Moon?
If a large asteroid impacted the Moon, would it cause problems for us here on Earth?
Total solar eclipse 2024: Why it’s worth getting into the path of totality
There's no comparison between a partial solar eclipse and a total solar eclipse.
Storms and showers
Mars has storms of dust, while Saturn pours down ammonia rain. Here on Earth, we passed through a debris tail to get a special kind of shower.
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.
Far out, man!
Faraway spacecraft, distant objects, the lunar farside, and a pretty out-there art project.
Aquatic equivalencies
From searching for life to training for spaceflight, water is an essential part of space exploration.