Stories, updates, insights, and original analysis from The Planetary Society.
A handy guide to help tease apart the differences between asteroids, comets, meteors, meteorites, and meteoroids. e
Discover what causes a comet’s color and what it might be like to listen to one whiz by.
See the month’s coolest space pictures, see planets in the night sky, and create the future in space that you want to see.
If a large asteroid impacted the Moon, would it cause problems for us here on Earth?
Mars has storms of dust, while Saturn pours down ammonia rain. Here on Earth, we passed through a debris tail to get a special kind of shower.
Terminators abound this week in space, and we’ll be back to Mars if NASA gets the budget it needs.
Take a look at some of our favorite recent space images and learn about an express mission to Mars.
Astronomers around the world are working to protect the Earth from asteroid impacts, with the help of Planetary Society members and donors.
We asked three Planetary Society Shoemaker NEO grant winners for tips on how to assemble your own planetary defense observatory.
This week in space: Mars days almost match up with ours, and light and molecules are created by distant stars.
The Planetary Society Shoemaker NEO Grant winner learned from his mother and grandfather, while also forging his own path.
The real science of aliens, the policy implications of ET, and new views of worlds beyond our own.
We’re always learning more about the worlds of the outer Solar System, and even those beyond.
Kinetic impactor or nuclear blast? Here are some ways to defend our planet from a dangerous asteroid.
The Soyuz spacecraft have been helping humans get to and from space for decades, but that’s nothing compared to the billions of years that microorganisms have been making life on Earth possible.
The Moon casts shadows on itself and on Earth, environmental concerns overshadow a test launch’s success, and exoplanets are awesome (beyond a shadow of a doubt).
Meet the Solar System’s five official dwarf planets, celebrate two major launches, and find out why planets sometimes seem to go backwards across the sky.
The changing fortunes of planetary defense.
New discoveries from Ryugu, material heading our way from Bennu, and anticipation for a mission to Psyche.
Learn all about the possible volcanic activity found on Venus, the facts about a hyped-up near-Earth asteroid, Jupiter’s newest moons, and what space images sound like.