2026 ScienceFest: All Elemental

Los Alamos ScienceFest 2026: All Elemental Discover Day - Saturday, September 26st, 10:00am-2:00pm @ Ashley Pond Park. Los Alamos ScienceFest, now in its 19th year, celebrates the history and science of Los Alamos through fun and engaging activities and events for people of all ages. Each year, thousands typically participate in Los Alamos ScienceFest week and Discovery Day. Returning this September 18th-26th or its 19th year, Los Alamos ScienceFest will feature a dynamic line-up of activities for all ages, celebrating Science, Technology, Engineering, Art and Math (STEAM) topics. Attendees of all ages can expect to be captivated by hands-on experiments, lectures, and interactive exhibits. Join us for Discovery Day and Discovery After Dark at Ashley Pond Park in downtown Los Alamos. Schedule of Events Here!