"China Unveils World's Largest Underground Dark Matter Lab"
Chinese scientists have opened the world's deepest and largest underground lab in the Jinping Mountains, aiming to study dark matter, the elusive substance that makes up most of the universe's mass. The facility, CJPL-II, boasts a 50-fold expansion and upgraded detectors, including the 4-metric-ton PandaX-4T and the CDEX, in the quest to detect dark matter particles. With over a mile of rock shielding the detectors from cosmic interference, China is at the forefront of the global pursuit to unravel the mysteries of dark matter, although the substance remains enigmatic.