All
All
Stories, updates, insights, and original analysis from The Planetary Society.
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 2026 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.
A lunar saga
How the origins of the Moon could shape the future of human space exploration.
Your impact: September equinox 2023
Meet the asteroid hunters you help support.
Moonstruck
Exploring humanity’s long relationship with the Moon.
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?
Eclipse solar total en 2026: Por qué merece la pena meterse en la zona de totalidad
No hay comparación entre un eclipse solar parcial y un eclipse solar total.
Totale Sonnenfinsternis 2026: Warum es lohnenswert ist, sich auf den Pfad der Totalität zu begeben
Eine partielle Sonnenfinsternis lässt sich nicht mit einer totalen Sonnenfinsternis vergleichen.
Éclipse totale de Soleil 2026 : pourquoi cela vaut la peine de se rendre dans la bande de totalité
Il n'y a aucune comparaison possible entre une éclipse solaire partielle et une éclipse solaire totale.
Total solar eclipse 2026: 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.



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