A coded letter from the Zodiac Killer was finally deciphered after over 50 years. A code breaking team tested thousands of ways to crack the code on one of the killer's messages from the late 1960s.

For nearly a decade, sleuths had tried to decode a cryptic note discovered in the silk bustle dress. An analyst finally cracked the case. By Livia Albeck-Ripka Sara Rivers Cofield was on her usual ...

Usually, a story about hacking a coded message will have some computer element or, at least, a machine like an Enigma. But [Ruth Selman] recently posted a challenge asking if anyone could decrypt an ...

An antique dress bought a decade ago with coded messages dating back from the 19th century was unveiled, revealing it was a U.S. Army Signal Corps weather observation, providing a glimpse into ...