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.
Looking for long waves
Why JWST observes in the infrared.
The year in pictures: 2023
Looking back at 2023 through the eyes of spacecraft.
Getting around in space
Planets move around a star, spacecraft make their way across planets and through space, and Planetary Society members advance our mission.
Picks, pics, and peaks
Your picks for the Best of 2023, our favorite space pics, a mind-boggling peak speed, and more.
The best of 2023
The results are in for the Best of 2023! People around the world voted, and here are the winning space images, missions, exploration milestones, and more.
Gifts from above
Space exploration bestows us with many gifts, from scientific insights and beautiful images to technological marvels and inspiring achievements. Now it’s your turn to bestow some cosmic gifts.
Perfect gifts for space lovers, by space lovers
Planetary Society members helped us create our space gift recommendations for this year.
How NASA plans to deorbit the International Space Station
The aging complex will be replaced by commercially operated space stations, and deorbited as soon as 2030.
LightSail 2’s legacy lives on
On the one-year anniversary of LightSail 2’s end of flight, we look back at the mission that united so many.
How old is the Earth?
The Earth is thought to be about 4.54 billion years old. Learn more about how it formed, and how we know when this all happened.
Planetary paparazzi
Who needs candid celebrity snapshots? We’ve got all the best pics of your favorite planetary bodies.
The best pictures of Mars from space
Spacecraft have been taking pictures of Mars from space since 1965. Here are some of our favorites.
Lucy’s flyby of Dinkinesh: Everything you need to know
On Nov. 1, 2023, NASA’s Lucy spacecraft flew past Dinkinesh, a small asteroid in the main belt, and discovered a binary pair of moonlets in orbit around the asteroid.
Why aren't there more close-up images of Uranus and Neptune?
There aren't many close-up, high-resolution images of the ice giants Uranus and Neptune. The reason comes down to distance.
The best! The farthest! The maximum!
Space superlatives abound this week. We’ve made a couple of awards, but the rest are up to you to decide.
Galactic ghouls and vampire stars
Space can be a scary place! But fear not — it’s all still fascinating.
Behold, the moon(s)!
With International Observe the Moon Night coming up, there are many moons worth checking out.
Syzygy + apogee = majesty
An annular solar eclipse is about to wow the world, and there’s plenty more to get excited about in space science and exploration this week.
Psyche mission successfully launches
The spacecraft has begun its six-year journey to the same-name metal world.
How astronomers search for life on exoplanets
Technologies for studying planets around other stars are advancing all the time. Along with those advancements come new ways to look for possible signs of life on those planets.