At the COP27 summit, leaders will discuss how to deal with the many consequences of climate change. These four cases show how the climate crisis is altering the threat of zoonotic diseases.

The broken system hurts immigrants—and makes it harder for the United States to compete.

The U.S. military detention center at Guantanamo Bay, Cuba, has generated intense debate for two decades, raising enduring questions about national security, human rights, and justice.

Fifty years ago, Republicans turned on President Richard Nixon. Today, most of the party continues to stand by Trump. Why the difference? A rise in partisanship.

The connection between the rise of social media and the decline of American politics and society seems obvious. But what if what everybody knows is wrong?