A hidden Gibraltar cave sealed for 40,000 years has revealed a rare Neanderthal time capsule. Scientists uncovered a chamber that may hold clues about the last European Neanderthals. The discovery changes how we view ancient humans. New evidence shows they were skilled survivors, coastal explorers, and smart toolmakers. This Ice Age cave discovery connects archaeology, human evolution, and climate history, offering fresh answers about Neanderthal life, survival, and disappearance.