Most of the matter in the universe is missing. Scientists believe around 85% of the matter in the cosmos is made of invisible dark matter, which has only been detected indirectly by its gravitational effects on its surroundings. My colleagues and I – a team of some 250 scientists from around the world working on a dark matter experiment called LUX-ZEPLIN (or LZ) – today report our latest findings from the long quest to discover exactly what this dark matter is made of. We have not yet found the elusive particles we believe dark matter consists of, but we have…