Buying Guides
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Best Telescopes for 10-Year-Olds
Easy, sturdy scopes for kids ten to fourteen who are ready for the real thing.
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Best Telescopes for Adults
Serious scopes for grown-up stargazers, from first purchase to upgrade.
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Best Star Projectors
Put the night sky on the bedroom ceiling. Projectors for kids and adults.
Free Resources
Space Printables
Free PDF quizzes and worksheets for kindergarten to adult, with answer keys.
3D Space Models
Spin real maps of the Moon and planets built from NASA data. Find craters, landing sites, the rings of Saturn and the moons of Jupiter.
Latest
Florida isn’t the first place anyone thinks of for stargazing. The humidity hazes the horizon, the coasts glow orange with…
For roughly fourteen centuries, educated people believed the Earth sat still at the center of everything. The Sun, the Moon,…
Ask “who was the first Australian astronaut?” and you’ll get four different answers depending on who’s arguing. That’s not a…
Four spacecraft have ever laid eyes on Tethys. The first passed by in 1979. The last went silent in 2017.…
Table of Contents The United States has produced some of the most consequential astronomers in history — people who didn’t…
Table of Contents What Is a Variable Star? {#what-is-a-variable-star} Most stars look fixed from Earth. They’re not — they just…
New Mexico has one of the darkest night skies in the lower 48. The state sits at high elevation, has…
Titan is the only moon in the solar system with a thick atmosphere and liquid on its surface. Not liquid…
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