Discover what’s new in the universe from the people making it happen!

Join a local astronomy expert in the Alden Planetarium and dive into the latest discoveries in the grandest science of all. Every month, a researcher from the Worcester area will come to the EcoTarium to discuss their work—everything from Martian water to astrophotography and from community science to space telescopes. Come back each month to learn more about our cosmic hometown!

Tickets & Important Information

Time: Second Saturday of every month, 5:00 pm

Duration: Approximately 30 minutes

Cost: $6 for members, $7 for non-members (per person). General museum admission will not be charged for members or guests arriving after 4:30 pm on Speaker Series days

Location: Alden Planetarium

Age Range: Guests of all ages and backgrounds are welcome!

Cancellation Policy: Tickets are non-refundable unless the event is canceled by the EcoTarium.

COVID-19 Policy: Masks are recommended for all guests within the Alden Planetarium. Masks will be provided to guests who do not have their own.

To select a date, click "other dates" at the top of the page

If you are an EcoTarium member, please be sure to sign-in/register (upper right corner) to receive the member rate. The cost will update at check-out. 

Please email info@ecotarium.org or call 508.929.2700 for any questions.

Please select your visit date above. To select a different date, click "Other dates". You will be able to enter the museum any time after 10am and remain until closing. At this time, we are open Tuesday - Sunday 10am-5pm. Please see Visit Us  for Holiday hours.

If you are an EcoTarium member, please sign in at the upper right of this screen and then select your member tickets (adult or child). The balance will discount to zero prior to checkout. If you proceed to check out and your balance does not show as $0, please contact info@ecotarium.org. Do not process the payment. (If this is your first time getting tickets online, click "Register" in the upper right.)

Sign up for a membership! Members Save!

Exceptions: If you plan to use one of the following discounts, tickets can only be purchased in person:

For more detailed information, please see Discounts

• EcoTarium Gift Pass or Certificate
• Library Pass 
• Bank of America "Museums On Us" Program
• Reciprocal admission through the ACM Reciprocal Network, ASTC Travel Passport Program, and NARM (North American Reciprocal Museums)
• BlueStar Active Military Museum Discount (valid only from May 18, 2024 through September 2, 2024)
• EBT/WIC/Wonderfund Card

For any questions, please email info@ecotarium.org.

Please note: All guests are currently recommended to wear masks within the museum and within proximity of certain animals that we have onsite. 

Printable Map of the EcoTarium: click here

Thank you for your support of the EcoTarium!

Thank you for your interest in a private Night Journey adventure! We look forward to hosting you.

This payment is a deposit of $1,200 to hold your reservation. Please input a quantity of ONE (1) for your deposit, and your estimated child and adult attendance for each item. You may bring up to 80 individuals to your private Night Journey. You will be prompted for updated numbers when you make your final payment, which is due no later than 5 weeks prior to the date of your Night Journey program.

All payments, including deposits and final payments, are non-refundable and due 5 weeks prior to your event. Once a deposit is placed, you will receive an email with a separate link for final payment.

Thank you for your interest in a Night Journey adventure! We look forward to hosting you.

This payment is a 50% deposit to hold your reservation. Spots are not held in the program until your deposit has been processed. The remaining balance is due 5 weeks before the date of your Night Journey.

All payments made are non-refundable. You will be notified at least 1 month in advance of the program if there is insufficient enrollment. If this is the case, we will work with you to reschedule or issue a full refund (including deposit).

All payments, including deposits and final payments, are due 5 weeks prior to your event. Once a deposit is placed, you will receive an email with a separate link for final payment.

This payment page is to collect the remaining balance after a deposit has been made. If you have not yet paid the initial 50% deposit for your registration, please contact reservations@ecotarium.org for assistance before proceeding.

Thank you for registering for a Night Journey adventure! We look forward to hosting you.

This final 50% payment is due 5 weeks prior to your program date.

All payments made are non-refundable. You will be notified at least 1 month in advance of the program if there is insufficient enrollment. If this is the case, we will work with you to reschedule or issue a full refund (including deposit).

This payment page is to collect the remaining balance after a deposit has been made. If you have not yet paid the initial $1,200 for your private program reservation, please contact reservations@ecotarium.org for assistance before proceeding.

Thank you for registering for a private Night Journey adventure! We look forward to hosting you.

This final $3,600 payment is due 5 weeks prior to your program date. Please input a quantity of ONE (1) for your final payment, and your final child and adult attendance for each item. You may bring up to 80 individuals to your private Night Journey. If you must make any adjustments to your attendance within 5 weeks of your program, please contact reservations@ecotarium.org.

All payments, including deposits and final payments, are non-refundable and due 5 weeks prior to your event.

You're invited to a breakfast with Worcester's favorite river otters, Daisy and Slydell!

Tickets cost $60 each. Package includes:

• hot continental breakfast for each ticketholder
• zookeeper chat
• live, up close otter feeding
• admission to the museum for the entire day

Buy 7 tickets, get the 8th free!

To take advantage of this deal, add at least 8 tickets to your cart and type the code "B7G8" in the discount code bar. You will be charged for one less ticket than the total number in your order.

Please provide the name of each dancer, the name and contact information for each parent/caregiver, and the estimated number of family and friends who will be attending (it does not have to be exact!).

The sponsor/donation page can be found HERE. For more information and resources to help you get sponsors, please visit our website and click on the Dancing with the Dinosaurs drop-down.

Thank you for participating in the Dancing with the Dinosaurs Dance-a-Thon!

Thank you for joining us in celebrating 200 years of the EcoTarium!

Admission is free to all on 7/19, but we ask that you please register the number of tickets in your party prior to visiting the museum. Donations are appreciated, but not required.

Members: Sign in to your account to access early registration! Click the "Sign in" button at the top right.

Caregivers are required to remain on-site at the EcoTarium for duration of program, but are not required to participate in the program. Tickets reserved on this portal are for children ages 9-12 only.