Researchers look for signals that might distinguish people who are upset and ranting online from those who intend to do real physical harm.
Dozens of countries and hundreds of firms and nonprofits are fed up with digital violence and are working toward greater cybersecurity for all.
We should celebrate the 'deplatforming' of the 8chan message board, linked to the El Paso shootings, as a win for the fight against online hate speech. But its removal does not mean the fight is over.
Social media companies struggle to identify and remove hate speech when it's posted. What can computer science reveal about how hate-filled texts and videos spread online?
With new laws proposed, Australian leaders now seem prepared to move beyond just blaming technology for its role in online violence and extremism.
Many tech titans say they can self-regulate online hate speech and extremism with artificial intelligence, but can they?
Gun control advocates want to shut down the National Rifle Association's online video channel, NRA TV. A scholar looks at what its videos are actually about.
More and more, news items, adverts and posts by friends are blurred in Facebook's interface. This all merges into a single stream of information.
The way people use social media – and the algorithms inside those systems – increases passions, and drives people to polarizing extremes.
New research has tracked how quickly Twitter accounts linked to extremism are being suspended.
A man has been arrested after driving a van into worshippers near a mosque in north London.