The chain-link fences, topped with coils of barbed wire, rise and fall like a serpent's back across the desert scrubland between Saudi Arabia and the jihadist threat across the Iraqi border.
U.S. President Barack Obama faces a tough political and legal battle to drive through an amnesty for five million illegal immigrants, but uncertainty may prove as big a hurdle as Congress or the courts.
Communist Cuba's revolution has held sway for so long — 56 years — that those who remember no other system are nearing retirement age with a mixture of fond memories, and just a few regrets.
With the clock ticking down to a third, perhaps final deadline for a deal to rein in Iran's nuclear program, top diplomats are ramping up efforts to pin down details.
It would be another powerful tool in the arsenal of U.S. and British spy services: encryption keys for a large share of the SIM cards used for mobile phones.
In 19th century France, where prostitution was seen as a societal necessity by Napoleon, French men would take their sons to a legal bordello to be initiated into matters of the flesh by a professional.
Since the 1970s, the renewable energy sector has usually trembled each time oil goes through the “bust” phase of the commodity cycle.
Germany's populist anti-euro Alternative for Germany (AfD) party hopes to win its first parliamentary seats in a western state Sunday when voters in Hamburg, its leader's home city, go to the polls.
For years, scientists and security analysts have warned that global warming looms as a potential source of war and unrest.
As presidential aspirants weigh possible 2016 runs, many are hitting the road far beyond Iowa or New Hampshire, to unofficial campaign stops where passports are required: London, Tokyo and Jerusalem.