A single leaked hint exposed the CIA’s most puzzling code. But dozens of the world’s toughest ciphers are still waiting to be solved.

What Bristol Airport says: "Sharm el Sheikh is a year-round holiday destination, offering sun-soaked beaches, vibrant coral reefs, and a range of exciting activities. Located on the Red Sea, it’s a ...

In the shadow of the great pyramids of Giza, Egypt has unveiled a new state-of-the-art museum that is the largest in the ...