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.
NASA’s Lucy mission: an odyssey to the Trojan asteroids
On October 16, NASA's Lucy spacecraft is expected to depart for the Trojan asteroids — rocky bodies that share an orbit with Jupiter.
Some good old-fashioned space mysteries
Exploration is teaching us a lot about the cosmos, and a lot about how much we still don’t know.
The shape of Jupiter’s Great Red Spot is changing. Here’s why.
A new study says the winds within the famous Great Red Spot are speeding up in some places and slowing down in others.
Jaw-Dropping Jupiter
10 years after launching, Juno is still showing us Jupiter’s stunning beauty.
Cyclones and Storms and Flares, Oh My!
Jupiter’s cyclones are beautiful, and the Sun’s storms and flares are a little bit scary.
Eclipses: It’s All About Perspective
Look at eclipses from the perspective of Earth, the Moon, and beyond. Plus catch up on the week’s space news.
The best Jupiter pictures from NASA’s Juno mission
As the spacecraft prepares to embark on its extended mission, here are some of the most captivating images of Jupiter from NASA's Juno probe so far.
Solar Plasma and Europan Magma
From solar storms to underwater volcanoes and asteroid close calls, catch up on what’s scary and beautiful this week in space.
Saving the World One Asteroid at a Time
Don’t leave it up to cosmic fate; take action right now to defend our planet from dangerous impacts.
Why Lightning on Jupiter is a Planetary Unsolved Mystery
As NASA's Juno spacecraft prepares for its extended mission, it’s worth taking a look back at why Jupiter’s lightning remains one of the planet's most fascinating enigmas.
A cosmic bowling ball spinning through space
Jupiter is a world of extremes, and Venus hints at some mysteries. You can take action to help learn more about these worlds and others.
Cosmic streaks, smudges, and fuzz
See images of the cosmos that reflect fascinating features of worlds and stars, and take action to advance exploration.
Solar System History 101
How did our solar system come to be? Why are the planets, asteroids, comets, and other small worlds where they are now?
Jupiter and Saturn Great Conjunction Viewing Guide
There's still time to get outside and see Jupiter and Saturn together in the evening sky.
Atmospheres that intrigue, protect, and obscure
Catch up on the week’s space news and consider planetary atmospheres from a few thought-provoking perspectives.
Jupiter dazzles and Neptune beckons
Feast your eyes on these images from space, catch up on the latest in exploration news, and get the lowdown on what’s up in the night sky.
What’s up (and down) in space?
Wrap your head around orientations in space, and learn the latest in space exploration news.
Jupiter from near and far, and two humans return to Earth
This week, learn about the conditions of the early solar system and get ready for next week’s meteor shower, plus more.
The Next 10 Years
Six scientists share the major planetary science discoveries of the past decade, and the questions that will drive the next 10 years of solar system exploration.
What the Shoemaker-Levy 9 Impact Taught Us
Twenty-five years ago, multiple fragments of comet Shoemaker-Levy 9 crashed into Jupiter, changing the face of the planet and the course of planetary science.