The Great Valley Museum is hosting the eighth annual Wild Planet Day family science festival on Saturday, Oct. 14, 10 a.m. to 3 p.m. in the Science Community Center on the Modesto Junior College West Campus, 2201 Blue Gum Ave., Modesto. Admission for the day is $5 per person and $20 for a family of up to six people. Children 4 years and under are admitted free.