Efforts to kick extremists off the internet can't succeed and might even have the unintended side effect of bolstering support for radical groups.
Five serving members of the army have been arrested on suspicion of belonging to the group.
A nuclear physicist and disarmament expert recommends reading on nuclear disasters, weapons, authoritarianism and climate change.
New research has tracked how quickly Twitter accounts linked to extremism are being suspended.
The government seems hell-bent on pre-crime arrest, prosecution, and punishment for terror offenders – while falling short in providing the necessary long-term support.
Socioeconomic support is essential to help families resist the temptation of extremism.
Cracking down on extremism online won’t solve the problem of extremist violence, will inevitably censor speech that's important to protect and risks harming political dissidents and democracy itself.
It cuts shuts down the chance for dialogue.
One of the London Bridge attackers was linked to the extremist group.
Politicians want social media giants to crack down on those publishing extremist material. A focus on disruption, encryption, recruitment and creating counter-narratives is recommended.
When it comes to Islamist extremism and terrorism, change is a constant.
The Nigerian government has dealt Boko Haram some serious blows, but the insurgency is far from over.
It nurtures empathy and rational thought.
Data on violent incidents in the US reveal that our focus on Islamist extremism since 9/11 may be misguided.
For the first time, parliament plans to ban a right-wing extremist group, called National Action.
Despite the growing threat from far-right groups, deradicalisation programmes have been largely targeting Muslims.
We all too readily associate terrorism with Islamic extremism. Thomas Mair's motivations may have been different but his crime was the same.
Trump has given extremists a high-profile stage, but in the process exposed them to the disinfecting sunlight.
A year of violence continues with bombs in NYC and a stabbing in Minnesota, leaving many asking, why? A psychologist explains what research has revealed about the minds of violent extremists.
The press is giving audiences the wrong idea about Britain's Muslims when it courts with extremists.