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Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
OSIRIS-REx returns sample from asteroid Bennu to Earth
The sample capsule parachuted to a landing at the Department of Defense’s Utah Test and Training Range southwest of Salt Lake City.
Equinox and equilux
Celebrate today’s equinox, but be sure to check when your location’s equilux takes place. And there’s lots to celebrate about this year’s Day of Action.
What is an annular solar eclipse?
An overview of annular solar eclipses, how they work, what they're like to experience, and how to view one safely.
Want to experience the 2024 total solar eclipse? Here are some tips.
We asked two eclipse chasers for tips on how to plan your big moment in the Moon's shadow.
The Day of Action returns to Capitol Hill
Planetary Society members traveled to Washington, D.C., in September 2023 to advocate for the future of space science and exploration.
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.
To the moon together
An interview with Scott Pace about the Moon’s role in internationally cooperative human space exploration.
A lunar saga
How the origins of the Moon could shape the future of human space exploration.
Moonstruck
Exploring humanity’s long relationship with the Moon.
Your impact: September equinox 2023
Meet the asteroid hunters you help support.
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.