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In 2006, a gold mine became America’s deepestlab; scientists search for dark matter 4,850ft down

TOI World Desk25 Aug 2026, 09:30 amUpdated 4h ago1 min readWorldWorld

World — TOI World Desk

In 2006, a gold mine became America’s deepest lab; scientists search for dark matter 4,850ft down

A former gold mine in South Dakota has been transformed into a major underground science facility. The Homestake Mine once produced about 41 million ounces of gold and 9 million ounces of silver, but today its tunnels are used to study some of the Universe’s biggest mysteries. Scientists conduct experiments searching for dark matter, neutrinos and rare radioactive decay, while also researching microbes, geology and geothermal energy. Located 4,850 feet underground, the Sanford Underground Research Facility shows how a site once built for mining has found a new purpose in scientific discovery.

This report is published with credit to Times of India. The wire sent a summary; open the original for any extra context. Read on Times of India →

Source: Times of India · TOI World Desk. Published 25 Aug 2026, 09:30 am.

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