International efforts, such as the Paris Agreement, aim to reduce greenhouse gas emissions. But experts say countries aren’t doing enough to limit dangerous global warming.

Under the command of Xi Jinping, the Chinese Communist Party faces a host of domestic and international challenges as it aims to bolster China’s great-power status.

The United States has long tried to negotiate a resolution to the Israeli-Palestinian conflict, but several factors, including deep divisions between and within the parties and declining U.S. interes…

China’s colossal infrastructure investments may usher in a new era of trade and growth for economies in Asia and beyond. But skeptics worry that China is laying a debt trap for borrowing governments…

U.S. space exploration inspired a generation of students and innovators, but NASA’s role has diminished, and the number of global space competitors is growing.