
The Day the Sun Disappeared
When the sky suddenly turns dark in the middle of the day, two curious kids discover why the day the sun disappeared—learning how the Moon can pass between Earth and the Sun during a solar eclipse.
El joven astronauta Max despega en un emocionante recorrido por el sistema solar, visitando planetas y descubriendo lo especial que hace único a cada uno.
Spanish version coming soon.
This story is not available in Spanish yet. You can keep reading in English, or check back soon for the Spanish PDF and quiz.
Spanish version coming soon.
This story is not available in Spanish yet. You can keep reading in English, or check back soon for the Spanish PDF and quiz.

When the sky suddenly turns dark in the middle of the day, two curious kids discover why the day the sun disappeared—learning how the Moon can pass between Earth and the Sun during a solar eclipse.

Nia and Ben investigate why the stars seem to have disappeared from their town’s sky. With help from Mr. Vega, they discover that bright city lights are causing light pollution and find a way to bring the stars back.

Maya and Arjun look at a drop of pond water with Mrs. Patel and discover how simple and compound microscopes help us see a tiny world of microorganisms that is invisible to our eyes.
El sistema solar tiene ocho planetas que orbitan el Sol. Cada planeta tiene distintos tamaños, temperaturas, atmósferas y características de superficie que los científicos estudian para aprender cómo se forman y cambian los mundos.
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