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 ...

A claim has emerged that artificial intelligence (AI) has cracked the code to a cipher that remained unsolved for 373 years.

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. Breaking News/Cheat Sheet Intern One of the Zodiac ...

Codebreakers translated a mysterious coded letter from the Zodiac Killer a full 51 years after it was first sent. The FBI has confirmed the results.

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 ...

A French amateur codebreaker claims to have done what police and other investigators could not: Solve the remaining Zodiac Killer ciphers, including one that supposedly reveals the California killer’s ...