Explore Worlds
Find Life
Defend Earth
All
All
Sun
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
The Cost of a PROMISE
NASA may send an engineering copy of a Mars rover to the Moon, but at what price?
'Ignition': A new series of NASA initiatives
On March 24, 2026, NASA leadership detailed new plans for the agency, involving lunar missions, Mars, and more.
The Space Advocate Newsletter, Februrary 2026
Musk fought the Moon and the Moon won.
Why send people back to the Moon?
What can an astronaut do on the Moon that a robot can’t?
Tech funded by Planetary Society launches to the Moon next month
A spacecraft trying to land on the Moon will carry PlanetVac, the lunar dustbuster that could change how we explore other worlds.
How soon will Starship fly?
One rocket could decide how soon humanity returns to the Moon — and maybe one day sets foot on Mars.
Earth’s quasi-moons, minimoons, and ghost moons
They may not be real moons, but they're worth exploring and studying.
Chang’e-6 launch: What to expect
China will attempt to return the first-ever samples from the far side of the Moon.
The hottest and coldest places in the Solar System
The worlds of our Solar System run the gamut of temperatures. Here are some of the hottest and coldest places we know of.
Is the Moon shrinking?
The Moon is shrinking in both actual volume and its apparent size from Earth’s perspective. We explain how scientists know this, why it happens, and how it might affect Earth.
An exquisite cosmic coincidence
Why eclipses on Earth are unlike anything else in the Solar System.
The best places to search for life in our Solar System
From Earth's neighboring planets to distant moons, these are the best places to look for alien life.
Sharing an eclipse with kids
Here's a simple and safe way to observe solar eclipses that's appropriate for young children, with no eclipse glasses or other special equipment needed.
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.
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.
Guide pratique pour savoir à quoi s'attendre lors de l'éclipse totale de Soleil de 2026
Renseignez-vous à l'avance sur ce à quoi vous attendre et préparez-vous à être témoin d'un spectacle cosmique sans égal dans la nature.
Lista de verificación sobre qué esperar durante el eclipse solar total de 2026
Infórmese con antelación sobre qué esperar y prepárese para presenciar un espectáculo cósmico sin igual en la naturaleza.
Eine Checkliste für die totale Sonnenfinsternis 2026
Informieren Sie sich im Voraus, was Sie erwartet, und seien Sie darauf vorbereitet, ein kosmisches Spektakel zu erleben, das in der Natur seinesgleichen sucht.
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.