March 26 - The Galleries will close at 4PM. Last IMAX film is at 4PM.

All aboard! Rocky Mountain Express will propel you on a steam train journey through the breathtaking vistas of the Canadian Rockies, highlighting the adventure of building the nation’s first transcontinental railway....

The new digital show Cosmic Collisions launches you on a thrilling trip through space and time to explore the astronomical impacts that drive the dynamic and continuing evolution of the universe. From subatomic particles to the largest...

The iconic monarch butterfly is a true marvel of nature. It weighs less than a penny, yet it makes one of the longest migrations on Earth across a continent, with pinpoint navigational accuracy, to a secluded place it has never been. In...

The documentary adventure “To The Arctic” tells the ultimate tale of survival. Narrated by Oscar® winner Meryl Streep, the film takes audiences on a never-before-experienced journey into the lives of a mother polar bear and her twin seven-...




























Our newest Main Gallery exhibition combines some of our all-time favorites with never-seen-before interactive exhibits from San Francisco’s Exploratorium. This collection features opportunities to explore mechanics, motion, math, hearing, electricity and many other interconnected areas of science–sometimes all at the same time! Look for new challenges with the Bicycle Wheel Gyro, Strobe Flower and Magnetic Wave Machine; and enjoy the return of popular favorites the Whisper Dishes, Tornado and Pedal Generator!
The “Explor-O-Rama” alphabet soup includes: Balancing Ball, Bicycle Wheel Gyro, Bouncing Ball, DC Motor-Generator, Drawing Table, Duck Into Kaleidoscope, Fluttering Bridge, Generator Effect, Giant Chair, Gravity Well, Hold the Phone, Lens Table, Magic Wand, Magnetic Wave Machine, Marble Accelerator, Motion Theater, Parabolas, Pedal Generator, Pendulum Snake, Pitch Switch, Primary of A Cube, Repeating Words, Rope Squirter, Speech Dissector, Spinning Eraser, Square Wheels, Strobe Flower, Tornado, Turntable and Whisper Dishes.
This exhibition has been funded in part by the County of San Diego and The Kenneth T. and Eileen L. Norris Foundation.
The Nierman Challenger Learning Center at the Reuben H. Fleet Science Center is a part of a growing network of centers worldwide that are being established by the Challenger Center for Space Science Education in memory of the crew of Space Shuttle Challenger.