A global surge in avian flu outbreaks in birds and some mammals is worrying poultry farmers, scientists, and health experts. The trend is provoking questions about the future of the disease and globa…

Beijing has tightened its grip on Hong Kong in recent years, dimming hopes that the financial center will ever become a full democracy.

Record numbers of migrants seeking to cross the southern U.S. border are challenging the Joe Biden administration’s attempts to restore asylum protections. Here’s how the asylum process works.

The Green New Deal has motivated those who want the United States to undertake unprecedented climate action, but it has also drawn backlash. How is the rest of the world grappling with decarbonizatio…

Power in the Gaza Strip and the West Bank, the so-called Palestinian territories, has been divided among three entities: a governing body called the Palestinian Authority, the militant group Hamas, a…

Opioid addiction has become one of the United States’ biggest killers, endangering public health, the economy, and national security. But closing the floodgates on fentanyl poses a significant foreig…

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.

Cuba has long been a major foreign policy challenge for the United States. President Biden is the latest U.S. leader to grapple with how to balance democracy promotion with the desire for a better bi…