New research reveals surprising result in search for dark matter
The detector is deep within an abandoned South Dakota gold mine, and the press release was from University of Bristol, since the research consortium leader is on the faculty there. The detector is in deep earth because shielding by deep earth positioning is necessary to screen out noise events which might obscure an event the researchers hope to detect. Much as static can override a radio signal. Noise is always a problem, and a term in equations which are the basis of theory suggesting dark matter exists and affects observable events where, other than in the reported situation, the effect is not directly provable by existing data, prior to the event this report describes. Which the research team deems significant.
Dark matter remains a conjecture, and there is caution among the research team to not over dramatize what they have seen. The science of cosmology is not a simple thing, and the caution reflects that.
But within the science of cosmology certain things are deemed best explained by postulating dark matter as existing and interacting with observable events which otherwise contradict standard theory.
There is no simple way to explain or understand the science among those not researchers in the field, hence the link is given, readers can check it, and get a feeling that a lot of hope and belief rides on a single observed detector event.