A coded message sent by a brutal serial killer who has never been caught has been cracked more than 51 years after it was sent. This story originally appeared on Ars Technica, a trusted source for ...

The Zodiac’s serial killer’s 340 cipher, which couldn’t be solved for 50 years, has been cracked by a remote team of mathematicians. A remote team of three hobbyist cryptologists have solved one of ...

A French engineer claims to have cracked the two remaining ciphers created by the Zodiac Killer, including one purportedly revealing the serial killer’s identity. However, both the Zodiac and cipher ...

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 ...

SAN FRANCISCO, Calif. — A long-held mystery of the Zodiac Killer’s murderous rampage in and around San Francisco has been solved. A code-breaking team from the U.S., Australia and Belgium has cracked ...