Add Yahoo as a preferred source to see more of our stories on Google. A team of codebreakers has announced a solution to the Zodiac Killer's famous 340-character cipher received by The San Francisco ...

AI may have cracked a 370-year-old cipher in 44 minutes. The harder question is whether it discovered the answer, remembered it, or merely guessed well.

After 51 years, a group of three hobbyist cryptographers is claiming to have cracked one of the most infamous ciphers created by the infamous Zodiac killer. In a video posted to YouTube, David ...

Get full access to The Daily Beast for $1 The so-called 340 Cipher, sent to the San Francisco Chronicle, was finally cracked by an international team from the U.S., Belgium and Australia. FBI One of ...

SAN FRANCISCO (CBS SF/AP) -- A team of amateur codebreakers has deciphered a coded letter from the infamous Zodiac serial killer who terrorized Bay Area communities in the late 60s and early 70s, the ...

The expert cryptanalyst and the Sunday-puzzle expert alike rely on the fact that letters have their own personalities. As David Kahn writes: “To the casual observer, they may look as alike as troops ...