The sprawling U.S. water system is central to the nation’s economy, but chronic underinvestment, increasing demand, and the consequences of climate change have revealed the system’s weaknesses.  

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 alliance with Japan has been the cornerstone of U.S. security policy in East Asia for decades. Now, Japan’s role in global security is growing as challenges from China and North Korea mount.  …