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On July 21, 2000, the DONUT collaboration at Fermilab announced the first direct evidence for tau neutrinos. The particles remain elusive to this day, but physicists continue to seek new ways of studying them.

John Peoples passed away on June 25, 2025. He was the third director of Fermilab, remembered as a prolific physicist and a hands-on leader.

Fermilab hosted its first quantum science education outreach program for Chicago high school students. The classes were taught by quantum scientists and subject matter experts to inspire the next generation of quantum researchers.

Particle physics experiments use detectors that are intricate, sophisticated devices for learning about the origins and composition of the universe. The Deep Underground Neutrino Experiment is designed to tackle one of physics’ biggest mysteries — matter-antimatter asymmetry in the universe — by studying neutrinos. Production of Anode Plane Assemblies, detector components that will allow DUNE to achieve exquisite measurement precision, requires skilled technicians, a cleverly designed machine and an incredible attention to detail.

At Fermi National Accelerator Laboratory, postdoctoral researcher Ryan Linehan explores the intersection of quantum information science and particle physics by studying how particles impact superconducting quantum devices. Linehan’s work helps advance both quantum computing and dark matter detection.

Scientists and engineers at Fermilab are turning visionary science into real-world solutions, bridging the gap between fundamental research and industry. Their patented technologies reflect not only scientific excellence but also a growing emphasis on practical impact, economic value and cross-sector collaboration.

The third and final result, based on the last three years of data, is in perfect agreement with the experiment’s previous results, further solidifying the experimental world average. This long-awaited value will be the world’s most precise measurement of the muon magnetic anomaly for many years to come.

The labs are developing a practical approach to reduce the size and cost of superconducting linear accelerators, which offer great potential for addressing used nuclear fuel, while also improving their reliability.

Since its inception 50 years ago, the prairie restoration success at Fermilab has become a living laboratory — supporting scientific research, fostering biodiversity and providing essential ecosystem services like erosion control and enhanced soil health.