Estimates of the total long-term economic costs of the Iraq and Afghanistan wars vary wildly and remain hotly disputed among experts.

As Zimbabwe’s economic crisis has deepened, President Robert Mugabe has ceded significant power to the country’s security forces.

With talk of deploying NATO peacekeepers to patrol the Lebanese border, the alliance is tackling new challenges outside of Europewhile looking to recruit new members. Not everyone, however, supports …

As U.S. lawmakers debate a cap-and-trade policy to combat climate change, experts say coal will continue to be a major part of the world’s energy mix, which will likely complicate efforts to curb gre…