All
All
Stories, updates, insights, and original analysis from The Planetary Society.
Alone in space, but not lonely
Comet Leonard heads out to roam free in interstellar space, alongside rogue planets, their moons, and maybe even life.
Is life possible on rogue planets and moons?
Our exploration of the solar system combined with two decades of exoplanet research tells us there are several possibilities for life to exist on starless planets and their moons.
New year, same universe
While missions are achieving new things, the cosmos reminds us that some things are universal.
Space is always worth the wait
With space missions like JWST and Voyager, decades of development yield decades of discovery.
Who loves the Sun?
Our host star takes center stage, and JWST demands a little more patience.
Let’s not forget the other Mars explorers
This week we take a look at some of the amazing Mars exploration being conducted, and celebrate the highlights of space in 2021.
Optimism, ethics and pride
The values that have driven space exploration since its beginnings are still going strong today.
Craters are great but we’ve had enough, thank you
Take a look at some of Earth’s epic impact craters, and learn what we’re doing to ensure they’re our last.
DART mission resources for space fans and the press
Exclusive Planetary Society materials to help space fans tell the world about NASA's upcoming mission to impact an asteroid.
Mind-blowing space volcanoes
Taking a look at volcanic worlds in our solar system and exoplanets that might crack under pressure.
The Space Advocate Newsletter, November 2021
A new era for planetary defense.
We love Lucy
Everything you need to know about NASA’s Lucy mission to the Trojan asteroids.
Rocky worlds rock
This week we're all about the rocky planets: Mercury, Venus, Earth and Mars.
The best seat in the solar system
Look at some extraordinary views from space and imagine what you’d see if you had the best seat on SpaceX’s Dragon capsule.
Looking forward to looking into deep space
The newest issue of The Planetary Report takes a look at the James Webb Space Telescope and what it will teach us about the cosmos.
The Fermi paradox and Drake equation: Where are all the aliens?
Theoretical work in SETI, the search for extraterrestrial intelligence, is dominated by two key concepts: the Fermi paradox and the Drake equation.
The Space Advocate Newsletter, September 2021
It's time to look beyond 2024.
SpaceX Inspiration4 mission: Your questions, answered
SpaceX is preparing to launch the first-ever entirely civilian mission — Inspiration4 — into Earth orbit.
What are the most Earth-like worlds we’ve found?
The ongoing hunt for Earth-like worlds, especially over the next few decades, hopes to illuminate how ordinary and extraordinary our planet may be.
Proximity and distance
Looking at planets and moons from near and far, and figuring out how to get all the way out there.



Sun
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Small Bodies