Explore 25 famously unsolved ciphers and codes that have baffled experts for centuries. From ancient scripts to modern ...

Historic messages and documents obscured by incomprehensible ciphers can be found in libraries and archives all over the world. Artificial intelligence is helping historians crack open these ...

Some people will go to any length to read a book. Kevin Knight, a senior research scientist and fellow at the Information Sciences Institute at the University of Southern California (USC), was ...

When one thinks about cryptography or encryption in World War II, the first thing that comes to mind is the Enigma Machine used by the Nazis, whose code was broken by the Allies and used as a secret ...

The concluding words of Unsolved! are a call to action. Craig Bauer, a US mathematician and editor-in-chief of the journal Cryptologia, ends his hefty history of cryptography by noting that even as he ...