Museum Hours

Monday: CLOSED
Tuesday-Thursday: 10am to 5pm
Friday/Saturday: 10am to 10pm
Sunday: Noon to 4pm

Science Shop Hours

Monday: CLOSED
Tuesday-Thursday: 11am to 3pm
Friday: 11am to 9pm
Saturday: 11am to 4pm
Sunday: Noon to 4pm

Reflections Café

Monday – Friday: 7:45am to 3pm
Saturday: 11am to 3pm
Sunday: Noon to 3pm

First Fridays of the month: 5 to 8pm
Download the Reflections Café menu.

Summer and Event Hours

In addition to the times above, the Café is open Mondays between Memorial Day and Labor Day, and during school breaks, 7:45am to 3pm.

The Café is open the first Friday of every month from 5 to 8pm, and during special events as announced.

Closed Mondays, except where noted, Labor Day-Memorial Day, New Year's Eve and Day, Easter, Memorial Day, Independence Day, Labor Day, Thanksgiving, Christmas Eve and Day.

Courtesy of the MASCO Corporation Foundation, admission to the Institute of Science is free after 5pm the first Friday of each month through June 2017.

Admission until 5pm

  • Adults: $13.00
  • Children ages 2 - 12: $9.50
  • Seniors 65+: $9.50
  • Children under 2: Free
  • All Members: Free

Friday/Saturday Evening Admission 5 - 10pm

  • Adults: $6.50
  • Children ages 2 - 12: $5.50
  • Seniors 65+: $5.50
  • Children under 2: Free
  • All Members: Free

Planetarium Tickets (in addition to museum admission when applicable)

Changing Exhibit Hall (in addition to museum admission when applicable)


The observatory is free with museum admission and is open every Friday/Saturday from 8:30 - 10pm during daylight savings and 7:30 - 10pm during standard time. It is also open the first Sunday of the month from 1 - 4pm for safe viewing of the sun. Observatory hours are subject to change based upon the current or expected weather conditions. For specific information about observatory hours, please call ahead at 248 645.3200, and press 0.

Bat Zone Tour Tickets (in addition to museum admission when applicable)

  • General Fee: $5 per tour 
  • CIS Standard/Enhanced Members: $4 per tour
  • Children under 2 years: $1 per tour
  • The Bat Zone offers Friday Night Bat Walks at 9pm in June and July and 8:45pm in August - ticket pricing same as above.

If you have a group of 20 or more people, please call 248 645.3210 or email to inquire about discounted admission rates.