Europe's flourishing niche industry is spreading to the U.S., offering shirts and paraphernalia featuring neo-Nazi symbols in less overt forms.

The U.S. and the Taliban are approaching a peace deal. But a new survey suggests a key component of national security is getting worse.

A Brazilian newspaper says private companies have illegally spent millions to put Jair Bolsonaro, a free-market homophobe who talks fondly of military dictatorship, into office.

R.O. Kwon’s novel “The Incendiaries” imagines the lives of students pulled into a violent cult.

How Trump quietly gutted a program to combat homegrown extremists.

When Google promises to "curb" extremism on its lucrative video platform, it means nothing more than keeping advertisers happy.

How unpopular opinions move history forward