Hours of Operation
- Wednesday and Thursday: 10:00am – 1:00pm; and 2:00 – 5:00pm
- Friday: 10:00 am - 1:00pm; 2:00 – 5:00pm; and 6:00 - 9:00pm
- Saturday: 10:00am - 1:00pm; and 2:00 – 5:00pm
- Sunday: 12:00 – 4:00pm
Hours of operation:
- Wednesday - Saturday: 11:00am - 4:30pm
- Free First Friday: 11:00am - 8:00pm
- Sunday: 12:00 - 4:00pm
The Acheson Planetarium is open to the public.
The observatory remains closed at this time. Please check this page and our social channels for updates as they become available.
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
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.