$18 (includes exhibits, observatory and two planetarium shows); $15 (ages 13-18, ages 65+ and college students with ID); $14 (ages 3-12); $5 (first Fri. of the month 6-10 p.m.).
Exhibits, planetarium and theater open Wed.-Sun. and holidays 10-5 (also first Fri. of the month 6-10). Phone ahead for daytime viewing schedule and extended evening hours. Closed Thanksgiving and Christmas.