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 Voynich manuscript has long been shorthand for the unsolved and the unknowable, a late medieval codex filled with looping ...
After 51 years, one of the mysterious ciphers from the Zodiac Killer has been solved. Named cryptogram Z-340, due to its 340 characters, the cipher is is now the second out of four coded letters to be ...