Conservator Sally Kilby and Błażej Mikuła photograph inside the folds of a medieval manuscript that was used as the cover for another book later on. - Cambridge University Library Researchers have ...

Historians recently unveiled a rare 13th-century document depicting the tales of King Arthur and Merlin – and its survival is considered a miracle. The discovery was announced by the University of ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Researchers have ...