Argonne Open House 2026

6/27/2026

When: Saturday, June 27
9:00 AM to 4:00 PM
Where: Argonne National Laboratory
9700 S. Cass Avenue
Lemont, Illinois  60439
United States
Contact:
Jorja A. Porter (Sign in to view e-mail address)

Event Details
At Argonne’s Open House you can spend the day thinking and acting like a scientist and discover how science can answer the biggest questions facing humanity. Participate in a wide variety of engaging, hands-on, science-focused activities. Explore the lab’s campus in specially designed tours that offer a rare peek into our world-class scientific facilities. You’ll also have the chance to meet scientists and engineers and discover how cutting-edge research is helping answer some of humanity’s biggest questions. Join us for a full day of activities showcasing Argonne’s research within four key themes:    Advanced registration is required .  PLEASE NOTE:  The registration slots have been known to fill up within a week! Sign up to get updates about registration for our free summer event. Registration opens on Wednesday, May 27 at 8:00 a.m.