The Science Mill is NOW OPEN 6 days a week! Purchase tickets online at sciencemill.org. Choose your exploration style to plan your visit: Hands-on (with a twist!), Hands-free, and our new expanded outdoor Science & Art Park. Use the NEW online ticket system to reserve your preferred date and morning session or afternoon session: Now open Tuesday-Saturday from 10am-1pm (morning session) and 2-5pm (afternoon session) and Sunday from 12-4pm. Learn how we’re safeguarding the health of our guests, staff and community by following the latest state and CDC guidelines.