The United States continues to seek strategies for responding to the growing number of migrants fleeing poverty, violence, and other challenges in the Central American region.

African governments have increasingly welcomed economic, diplomatic, and security ties with Russia—leading Western countries to denounce what they see as Moscow’s destabilizing influence and seek the…

Yemen’s internal divisions and a Saudi-led military intervention have spawned an intractable political, military, and humanitarian crisis.

The federal agency has a broad mandate to protect Americans’ health and an expansive global reach. But the COVID-19 pandemic has been one of its most daunting challenges.