Story Brief

Illustration: Mark Garlic/GETTY IMAGES Comment Loader Save Story Save this story Comment Loader Save Story Save this story More than a kilometer underground, in what used to be a gold mine, inside a tank filled with tons of liquid xenon, “something” struck the nucleus of an atom. The tiny collision left an unusual energy signature that researchers are still unable to explain, but the scientists behind the experiment believe this could be the most convincing physical evidence of dark matter to date.

AI summaries can be wrong sometimes—always verify important details using the source article.