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…

A profile of the international terrorist network that the United States has singled out as the most serious threat to U.S. security.

A surge in pirate attacks off the Somali coast in recent years has prompted the deployment of an international coalition of navies. But experts say that military force alone cannot address the underl…

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

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…