U.S. space exploration inspired a generation of students and innovators, but NASA’s role has diminished, and the number of global space competitors is growing.

The European Union has navigated a thicket of external and internal crises in recent years, including mass migration and Brexit. What are the union’s core institutions, and what roles do they play?

The Good Friday Agreement has dampened sectarian tensions and brought stability to Northern Ireland since 1998, but Brexit negotiations and local political paralysis are throwing the region’s hard-wo…

With the United Kingdom moving forward with Brexit, London hopes its Commonwealth partners can help boost trade, but critics say the group is outmoded and ineffective.

Founded as a loose confederation of states in 1945, the Arab League has struggled to overcome dysfunction and disunity among its members.

As Europe has weathered a succession of economic crises, the European Central Bank has responded with an aggressive set of monetary policies that have redefined the bank’s original mandate.

For many policymakers, economic sanctions have become the tool of choice to respond to major geopolitical challenges such as terrorism and conflict.

High-profile mass shootings in the United States in recent years have rekindled the gun control debate and raised comparisons of policies around the world.

As China’s senior Communist Party members anoint its future leaders, President Xi Jinping is poised to solidify his position and power at next week’s party congress.

The winner of the presidential election this spring will heavily influence how France approaches foreign and domestic issues, including its future with the European Union.