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.
Other Earths
Astronomers are closing in on planets that might be like our own.
China eyes Saturn’s icy moon Enceladus in the hunt for habitability
China’s Deep Space Exploration Laboratory and the Shanghai Institute of Satellite Engineering have proposed an orbiter and lander mission to explore Enceladus with a key focus on the moon’s potential habitability.
When space rocks get too close for comfort
Some of the best-documented encounters Earthlings have had with asteroids and meteorites.
Why send people back to the Moon?
What can an astronaut do on the Moon that a robot can’t?
Ten years after Pluto, New Horizons faces a new threat
The newly proposed budget for NASA would shut down the spacecraft midflight.
How astronomers rank dangerous asteroids (and what that means for you)
A breakdown of the Torino scale, designed to give a quick sense of how worried you should be about an asteroid or comet.
Capturing magic
A photographer’s guide to auroras.
It's not magic; it's magnetic!
The magnetism behind spectacular phenomena.
Extraterrestrial lights
How other worlds experience auroras.
Not too hot to handle
How a spacecraft is able to touch the Sun.
How to spot comet SWAN (C/2025 F2)
Catch this spectacular comet over the next few weeks.
EELS and the future of exploration
How artificial intelligence could traverse other worlds
Should you be worried about Asteroid 2024 YR4?
Experts weigh in about the recently discovered near-Earth asteroid 2024 YR4 that has about a 1% chance of impacting Earth on Dec. 22, 2032.
Calendar of space events 2025
Space missions, rocket launches, and celestial events are coming our way in 2025.
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.
Mars’ enduring role in the search for life
New discoveries underscore why we must keep exploring the red planet.
The year in pictures
The sights of space from the past 12 months.
A beginner’s guide to stargazing
It only takes a few basic tips to start exploring the night sky.
Europa Clipper launches on its journey to Jupiter’s icy moon
NASA’s Europa Clipper spacecraft launched today aboard a SpaceX Falcon Heavy rocket from NASA’s Kennedy Space Center in Cape Canaveral, Florida.
Hera launches to study the aftermath of an asteroid deflection test
The European Space Agency’s Hera spacecraft launched on Oct. 7, 2024, from Cape Canaveral, Florida. It will travel to the Didymos-Dimorphos asteroid system to study the aftermath of the first-ever field test of an asteroid deflection technique.