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A comet close to home
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Learn all about comets!
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Asteroid or Meteor: What's the Difference?
Learn more about asteroids, meteors, meteoroids, meteorites, and comets!
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Why collide with a comet?
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Find definitions of space and Earth science terms
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PDFs of Space Place activities
Print-ready, downloadable PDFs of fun hands-on activities.
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Could they have brought the water to our planet?
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What causes them?
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Why did it take so long to discover Uranus?
It wasn't THAT hard to see...
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Learn about impact craters!
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Check out these nine unearthly nightmares that could be happening right now in our own galaxy. Eek!
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The Hubble Space Telescope is a large space telescope orbiting Earth.