Experience the Exploratorium. Let your curiosity roam free through hundreds of exhibits in our six spacious indoor and outdoor galleries at Pier 15, San Francisco.

Community Family Pass Program The Exploratorium provides free admission to families, youth, and small groups working with select Bay Area community-based organizations (CBOs). CBOs manage a check-out ...

Artist Bob Miller's Light Walk at the Exploratorium will change the way you look at light, shadow, and images.

Fill in your weight below in the space indicated. You can enter your weight in any unit you wish. Click on the "Calculate" button. Notice that the weights on other worlds will automatically fill in.

You don’t have to be a climate scientist to teach climate change, and you don’t have to be an experienced storyteller to infuse climate content with stories. Explore these educator resources for using ...

Try a new tilt on eclipses. Why doesn’t a solar or lunar eclipse happen every month? It’s because the moon’s orbit around the earth is tilted in relation to the earth’s orbit around the Sun. In this ...

Stain your clothes on purpose. Stain your clothes on purpose, bringing the colors of nature to your own wardrobe: use colorful molecules found in natural organisms and objects to dye fabrics or other ...

What Are the Three Types of Solar Eclipses?

The Big Bang theory raises some important questions about the fundamental nature of the universe: Will the expansion of the universe, set in action by the Big Bang, continue forever? Or will gravity ...

The Institute for Inquiry at the Exploratorium empowers elementary teachers and leaders to bring science inquiry to life in K-5 education. Rooted in the museum's legacy of hands-on learning, IFI ...

Then, in the final seconds before the moon completely covers the Sun, there is a last bright flash, combined with an emerging view of the corona—the Sun’s upper atmosphere—encircling the moon. This ...

Not all shadows are black. When lights of different colors shine on the same spot on a white surface, the light reflecting from that spot to your eyes is called an additive mixture because it is the ...