Hours of Operation
- Wednesday and Thursday: 10:00am – 5:00pm
- Friday: 10:00 am - 10:00pm
- Saturday: 10:00am - 5:00pm
- Sunday: 12:00 – 4:00pm
Hours of operation:
- Wednesday - Friday: 10:00am - 3:30pm
- First Free Friday: 10:00am - 1:00pm; 2:00 - 5:00pm; 6:00 - 8:00pm
- Saturday: 10:00am - 4:o0pm
- Sunday: 12:00 - 3:30pm
The Acheson Planetarium is open to the public. Please check here for shows and showtimes.
The observatory is open every Friday from 8:30 - 10pm during daylight savings and 7:30 - 10pm during standard time, weather permitting. It is also open on the first Sunday of the month from 1:00 - 4:00pm for safe viewing of the sun, weather permitting.
For more information about the Cranbrook Observatory, please check here.
The Cranbrook Observatory is FREE with admission to the Institute.
exploreLAB and Erb Family Science Garden
These experiences remain closed at this time. Please check this page and our social channels for updates as they become available.
- Adults: $13.00
- Children ages 2 - 12: $9.50
- Seniors 65+: $9.50
- Children under 2: Free
- All Members: Free
Acheson Planetarium Tickets (in addition to museum admission when applicable)
Tickets are required for all programs in the planetarium in addition to museum admission. They can be purchased at the museum entrance desk. There is no late seating.
If you have a group of 20 or more people, please call 248 645.3210 or email.
Changing Exhibit Hall (in addition to museum admission when applicable)
Cranbrook Institute of Science is partnering with MUSEUMS for
ALL to offer complimentary general admission for guests and their families with EBT and Bridge Cards. If you have an EBT (Electronic Benefit Transfer) card or Bridge Card, simply show it to receive general admission. If you have any questions regarding this program please contact the Membership department at 248-645-3245.