A prehistoric hidden cave and hippo bones found beneath a Welsh castle could transform understanding of ancient life in Britain, researchers said Thursday, calling the site a "once-in-a-lifetime ...

A cave hidden beneath an 11th Century castle in Pembrokeshire is a "truly remarkable site" which could rewrite Britain's prehistory, researchers say. Small digs of the cave under Pembroke Castle, ...

Archaeologists will begin a five-year excavation of Wogan Cavern beneath Pembroke Castle, a site with evidence of human and animal life spanning over 100,000 years. Finds include hippo bones from ...