Civil aviation plays a crucial role in the U.S. transportation network and economy. Ongoing turbulence from the COVID-19 pandemic, underinvestment in infrastructure, and climate change are clouding i…

Brazil has long sought a greater role on the world stage, but political upheaval and other enduring challenges have complicated its efforts.

Germany’s elections will determine whether Chancellor Angela Merkel remains in power, with ramifications for the migration crisis, the future of the European Union, and U.S.-German relations.

Responsible for powering the country and its economy, the U.S. energy grid has come under increasing strain due to climate change, and the threat of cyberattacks looms.