Ed Rhee, a freelance writer based in the San Francisco Bay Area, is an IT veteran turned stay-at-home-dad of two girls. He focuses on Android devices and applications while maintaining a review blog ...

After a 35-year quest, the final solution to a famous puzzle called Kryptos has been found. Two writers discovered the fourth ...

For much of the 20th century, the C.I.A. devised plots to overthrow governments, kill high-profile leaders or arm dissident ...

The mystery was cracked after the amateur codebreakers came across some scraps of paper that had been accidentally included ...