BLETCHLEY PARK, England – British codebreakers cracked Nazi Germany’s encrypted secrets but did such a good job of keeping silent that their work was nearly lost to history. Now a letter from Gen.

We can now learn more about one of the most controversial monarchs in European history, thanks to a trio of amateur cryptologists who unknowingly stumbled upon a treasure trove of long-lost letters by ...

German U-boats nearly strangled Allied supply lines during the war. This video explains how codebreakers exposed their ...

An international team of codebreakers said Wednesday they have found and deciphered the long-lost secret letters of 16th-century monarch Mary, Queen of Scots, one of the most argued-over figures in ...

Operations Director at The National Museum of Computing Victoria Alexander demonstrates how the Tunny Machine was used during World War II at Block H, Bletchley Park. Credit: Getty Images A historic ...

Two 101-year-old former codebreakers at Bletchley Park have reunited ahead of the 80th anniversary of VE day. Kath Morris, from Neath, and Gwenfron Picken, from Port Talbot, have been celebrated for ...

On D-Day, hundreds of thousands of military women worked as codebreakers, ship plotters, radar operators and cartographers while soldiers stormed the beaches of Normandy. Throughout World War II, more ...