Inspiring A Passion for Science and Nature

Interactive indoor exhibits, planetarium shows, live animal habitats, outdoor trails and meadows, train rides and more!

Engineering Week for February Vacation

Drop-in or drop off! Daily themes for programs or vacation week camp! February 18-22, 2019

Chemistry, Animals, Cocktails & No Kids!

EcoTarium21 launches Friday, February 15 with We've Got Chemistry: Cockroach-naming, experiments, mating ritual trivia+more!

Ongoing Discounts and Special Offers

Are you a teacher or a student? EBT cards, WIC, military discounts and more.

Don't Miss A Night at the Museum

Spend a wild night at our signature fundraising event to inspire new generations with passion for science and nature. Saturday, April 27, 2019

Welcome to the EcoTarium

The EcoTarium museum of science and nature in Worcester, Massachusetts offers an indoor-outdoor experience visitors of all ages. Guests are encouraged to explore three floors of indoor interactive exhibits, live animal habitats, exciting shows in the digital planetarium, daily Science Discovery programs, hikes through forest and meadow nature trails, outdoor imaginative play, and a train ride around the 45+ acre campus (seasonal).

Alden Digital Planetarium

The Alden Digital Planetarium is the first digital planetarium in Massachusetts!

Featuring Digital Light Processing technology from Sky-Skan, Inc., the planetarium uses images from NASA and the Hubble Space Telescope to create a three-dimensional solar system projected onto a 40-foot dome. With immersive surround sound technology from Bose, the planetarium offers a 360-degree, multi-sensory experience.