Despite concerns over Iran’s nuclear program, the Obama administration has assessed that Tehran is years from a developing a long-range missile capable of delivering a nuclear weapon. But past Irania…

The U.S. government designates Iran as the "most active state sponsor of terrorism," which feeds concerns about Iran’s growing nuclear program.

U.S. missile defense in the twenty-first century is focused on emerging threats from North Korea and Iran, but critics say these systems are too costly and largely unproven.

A new arms control agreement with Russia has met political opposition in the U.S. Senate, and some analysts believe its fate is tied to the outcome of the 2010 midterm elections. This Backgrounder ex…

The crisis following Iran’s presidential vote cast a new light on the country’s hotly contested media space. A crackdown has limited independent reporting but other sources remain as channels for dis…

The reliance on unmanned drones to target terror suspects in Pakistan has been quietly lauded by U.S. officials. But the covert program, which has so far gotten little public scrutiny, is facing moun…