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Researchers at the underground LZ experiment call a single hard-to-explain event interesting, but they are not claiming a discovery of dark matter.

LUX-ZEPLIN recorded a single particle interaction that could be a WIMP 200 times heavier than a proton. At 2.6 sigma, it has a 0.5% chance of being background.

Physicists propose a new dark matter, the “wallion,” an ultralight particle shaped by a sharp field boundary that naturally stabilizes its mass reshaping how we think about the dark universe.