ProPublica is a nonprofit newsroom that investigates abuses of power. Sign up to receive our biggest stories as soon as they’re published. This story was co-published with The Washington Post.

Facebook announced today that it’s introducing new features for Facebook Groups, including “Channels” that will let users connect with each other in smaller settings. Admins can create channels to ...

“Join Your Local Militia or III% Patriot Group,” a post urged the more than 650 members of a Facebook group called the Free American Army. Accompanied by the logo for the Three Percenters militia ...

Removing anti-vaccine groups on Facebook may simply push users to share their views on other platforms. The finding suggests that a cross-platform approach will be required for content moderation to ...