Terrorist attacks and an emergent Russia are posing new challenges to Turkey’s energy strategy, but some analysts warn it could be Western Europe that gets squeezed.

The arrests of four Iranian-Americans have created a chill among those in Iran working to open up civil society and led to disagreements over U.S. support for those efforts.

The creation of a new U.S. military command for Africa signals the continent’s growing strategic importance and its many development challenges.

Two years after a tsunami devastated several Indian Ocean countries, a rudimentary warning system is in place. But coordination and funding concerns have slowed plans for a permanent regional system.