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During the launch broadcast, you can mark off the words that you hear!
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Pluto is now categorized as a dwarf planet.
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An orbit is a regular, repeating path that one object in space takes around another one.
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Play Bingo While Watching the Psyche Spacecraft Launch!
During the launch broadcast, you can mark off the words that you hear!
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Make a Colorful Crayon Europa with Textures!
Create your own colorful crayon Europa with textures!
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Learn all about comets!
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Color Your Universe: Find the Hidden Objects
Can you find all the NASA and space-themed hidden objects?
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Why Do We Care About Water on Mars?
Where there are signs of water, there might also be signs of life!
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Learn about impact craters!
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How Long is a Year on Other Planets?
You probably know that a year is 365 days here on Earth. But did you know that on Mercury you’d have a birthday every 88 days? Read this article to find out how long it takes all the planets in our solar system to make a trip around the Sun.
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Explore Mars: A Mars Rover Game
Drive around the Red Planet and gather information in this fun coding game!
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The biggest planet in our solar system
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What Is the Weather Like on Other Planets?
Each of the planets in our solar system experiences its own unique weather.
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Is There Ice on Other Planets?
Yes, there is ice beyond Earth! In fact, ice can be found on several planets and moons in our solar system.
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We can use a planet’s gravitational pull like a scale!
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Learn more about what happens when the moon passes between Earth and the sun!
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How Is the Sun Completely Blocked in an Eclipse?
It all has to do with the distance between Earth and the sun and Earth and the moon.
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Asteroid or Meteor: What's the Difference?
Learn more about asteroids, meteors, meteoroids, meteorites, and comets!
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And what can we learn from these space rocks in our solar system?
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Make a mask and pretend to be your favorite planet in our solar system!
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This future mission will try to find out if life ever existed on the Red Planet!
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Mars had water long ago. But did it also have other conditions needed for life?
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The Mars Rovers: Spirit and Opportunity
What did these twin rovers teach us about the history of water on Mars?
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Learn more about the first rover to land on Mars!
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How do rovers help us learn more about the Red Planet?
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The coldest planet in our solar system
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The planet that spins on its side
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The planet with beautiful rings
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The biggest planet in our solar system
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The red planet
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The planet with living things
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The hottest planet in our solar system
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Learn more about the planets in our solar system
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A comet close to home
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How Long Is One Day on Other Planets?
Learn to make a graph with the answer!
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How Many Moons Does Each Planet Have?
We have one, but some planets have dozens.
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Learn more about this icy moon of Jupiter!
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Why Does the Moon Have Craters?
It's not because the Moon gets hit by meteors more often...
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The icy bits past Neptune’s orbit
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Where Does the Solar System End?
The Oort Cloud!
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And how round are they?
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The smallest planet in our solar system
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Where Does Interstellar Space Begin?
Interstellar space begins where the sun’s magnetic field stops affecting its surroundings.
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Jumping the Tallest Cliff in the Solar System
How far would we have to travel to get there?
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What's It Like Inside Jupiter?
Jupiter's core is very hot and is under tons of pressure!
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The answer isn't so simple...
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How Did the Solar System Form?
The story starts about 4.6 billion years ago, with a cloud of stellar dust.
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Write your own zany adventure story!
Write your own zany adventure story!
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For the New Moon, you must eat all the creme filling!
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These are yummy and need no baking!
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What causes them?
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What causes them?
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Make yummy potatoes look like asteroids.
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And what are they made of?
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Turn an old CD into Saturn's rings.
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Astronomers may have found a planet without a sun!
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Explore the many volcanoes in our solar system using the Space Volcano Explorer.
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Could they have brought the water to our planet?
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Gallery of NASA Solar System Images
Glorious planets and moons to view or print.
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Voyager 1 and 2: The Interstellar Mission
These spacecraft traveled to the outer planets!
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What do you get when you cross an earthquake with a tidal wave?
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Play Solar System Switch-a-Roo!
Put clues together to find the planets and moons.
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Paint pumpkins with space and Earth science designs
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Share these with your friends and family!
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And how does it help us find new planets?
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DSN Uplink-Downlink: A DSN Game
Help the big antennas gather data from the spacecraft.
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Help Juno reveal Jupiter's true nature.
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Build a model spacecraft to explore the solar system!
Paper models of your favorite solar system explorers. This link takes you away from NASA Space Place.
