The swift development of effective vaccines against COVID-19 was an unprecedented scientific achievement. But production challenges, vaccine nationalism, and new variants have all presented hurdles.

The United States is witnessing another year of record gun violence, raising domestic and international scrutiny of its comparatively loose gun laws and placing pressure on lawmakers to enact meaning…

For more than two decades, China has developed close economic and security ties with many Latin American countries, including Brazil and Venezuela. But Beijing’s growing sway in the region has raised…

World powers continue to punish North Korea with economic sanctions, but the pressure has so far failed to push Pyongyang toward denuclearization.

Educators worldwide are facing the agonizing decision of whether to resume in-person instruction while there’s still no cure for the new coronavirus. Countries including Denmark, India, and Kenya are…