Museum entry $21.95; $12.95 (ages 3-11). Combination Explorer 1 ticket (includes museum entry and U-505 Submarine, The Coal Mine, Future Energy Chicago, Fab Lab, WOW! Tour or one Giant Dome Theater film) $33.95; $21.95 (ages 3-11). Other combination tickets are available.
Daily 9:30-4. Phone ahead for extended summer and holiday hours.