Trump cites two main reasons for his actions against Venezuela. “Number one, they have emptied their prisons into the United States of America,” he said at the White House on Wednesday, repeating the ...

Jim Sanborn is auctioning off the solution to Kryptos, the puzzle he sculpted for the intelligence agency’s headquarters. Two fans of the work then discovered the key.

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

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

For weeks earlier this year, the Army’s top uniformed lawyer had been raising legal concerns inside the Pentagon about some ...