Explore, Play, Discover: Websites, Activities, and More

Visit the European Organization for Nuclear Research, known as CERN, which studies what the universe is made of and how the universe works.

The frozen worlds of the Arctic and Antarctica

Get a behind-the-scenes look at activities and ideas we’re exploring.

Listen to the story of Ladle Rat Rotten Hut.

Imagine yourself in the middle of the vast Pacific Ocean. You've been sailing for weeks, and there's no land in sight. Do you know where you are? Do you know which way to go?

Four times over 100-plus years, major initiatives have brought together scientists from around the globe to collaboratively study the poles.

The Instruments Aboard the Mars Exploration Rover

Why do I hear the bass from my neighbor's stereo, but not the treble?

View the night sky from any latitude on earth, and take a guided tour of the Hawaiian star families.

Find out why wind resistance is a big drag for bicyclists, and use our calculator to estimate drag for yourself.

In Observance of the 50th Anniversary of the bombing of Hiroshima and Nagasaki.

Can't decide if you're sandy or silty? Try this simple test.

Make a scale model of the Solar System and learn the REAL definition of "space."

An introduction to the concepts and theories that contribute to contemporary complexity research.

Close your eyes and listen to tell where the paddle is when you play this all-listening version of the classic game Pong.

Your CRT screen may appear to wiggle when you give it the raspberry, but the only thing wiggling is you.

A collection of auditory illusions found in indigenous folk practices, popular music, and scientific research.

Explore Saturn, its rings and moons, and see the latest images.

Darkening polar skies often bring beautiful light displays.

What does it take to block gamma radiation?

San Francisco was born in gold dust, and nearly died in rubble and ashes.

Listen to bird songs and try to figure out which are songs, which are companion calls, and which are alarms.

Insight into genes, reproduction, and cancer

Explore the ideas behind Science of Sharing with these Activities.

Join us as we crunch our way through everything from our San Francisco sourdough to Injera and Pugliese.

How can something as light as air slow down a hit?

Learn how Hubble Telescope scientists put together those lovely pictures.

You can mix just three colors of light to make over 16 million different colors!

Listen to the sound of a rainstorm – anytime, anywhere.

Where is the Center of the Universe? Here, there, and everywhere.

What is a gear ratio? And how do gears help make the bicycle so efficient?

In February 2009, the Exploratorium hosted Darwin Days, a series of presentations, debates, and discussions exploring the ways scientists continue to learn from and apply their knowledge of evolutionary biology to a broad range of pursuits.

Skilled listeners share their secrets.

Grow marshmallows to monstrous proportions!

Geometry Playground will change the way you think about geometry. This exhibition engages your hands, brain, and body in playful investigations of this most visible branch of math.

A model for heart development

Activités pour la classe élémentaire.

The Antarctic food web is the simplest on the planet, and krill are at its hub.

Learn about the body's vital defense force.

One man's journey into blindness

This ancient temple holds a secret...can you reveal the mystery?