Amid a burst of high-profile targeted violence, authorities have identified a new source of terror.

An online subculture targeting kids and teens has led to real-world violence. Authorities are racing to catch up.

Documentary footage of a ‘Nihilistic Penguin’ walking toward certain death has gone viral—where did it come from and what does it mean?

A makeshift memorial sits in front of Abundant Life Christian School in Madison, Wis., on Dec. 17, 2024, the day after a shooting there. Multiple people were reported shot and three died after a ...

Former CIA Director Michael Hayden on Wednesday agreed with a British journalist’s contention that Republicans were more "nihilistic" and "dangerous" than extremists groups and dictatorships around ...

The beginning of ninth grade was already shaping up to be a bumpy transition for then-14-year-old Elliott. His longtime friend group from preschool days had fractured. His parents were separating. And ...

"The term Nihilistic Violent Extremism (NVE) refers to what is motivating some of these subjects to commit criminal acts," the FBI wrote in a statement to NPR. "They want to sow chaos and facilitate ...