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World class Underground Researchat SURF
Scientists study mysterious particles like neutrinos and dark matter deep underground where a mile of rock shields experiments from cosmic radiation that constantly bombards Earth. We also host biologists, geologists, and engineers, too.
Deep Impactseconomic, education, science
SURF makes major impacts on the economy, education and in science.
Breakthroughs in Dark Matter
Most of the mass of the universe is missing. Where is it and how do we know it exists? Scientists working deep underground at SURF believe WIMPs (weakly interacting massive particles) could be the answer.
Unlocking the Secrets of Neutrinos
This ghostly particle could answer a lot of questions about the universe, including how the universe was formed and why we exist.
Groundbreaking News
Deep Science and Dark Mysteries, a project supported by the American Association for the Advancement of Science (AAAS) brought a group of Lutheran pastors to SURF for dialogue on the research at America’s Underground Lab.
October 14, 2025
SURF recently completed a major upgrade to the wastewater treatment plant, ensuring many more years of clean water in local streams.
October 13, 2025
South Dakota Mines physics major Ryan Cantz has been selected to receive a Conference Experience for Undergraduates Award for the upcoming American Physical Society Division of Nuclear Physics scientific meeting.
October 07, 2025
Discover your inner researcher
Visit SURF
The Sanford Lab Homestake Visitor Center in Lead, SD is free to everyone, open daily. Learn the scientific and cultural legacy of our campus.
Work With Us
Career resources, doing business with SURF, and proposal guidelines for researching at SURF.