Stuart A. Thompson

In the hands of anonymous internet users, A.I. tools can create waves of harassing and racist material. It’s already happening on the anonymous message board...

A 24-year-old’s sudden death devastated his family — and caught the attention of the movement of vaccine opponents.

A wave of regulation and industry action have placed the flourishing fake review business on notice. But experts say the problem may be insurmountable.

The candidate for the Democratic presidential nomination uses logical leaps and rhetorical devices to create false or misleading messages.

A late-summer rise in Covid-19 infections is bringing with it a wave of conspiracy theories.

A new generation of chatbots doesn’t have many of the guardrails put in place by companies like Google and OpenAI, presenting new possibilities — and...

As election activists rally against new voting machines, they are drifting into territory now dominated by conspiracy theorists.

Ron DeSantis, a likely contender for the Republican presidential nomination, must court far-right voters who consider him a tool of the Deep State.

Many nightly news hosts who commanded large audiences before leaving their networks have continued their careers elsewhere — with mixed results.

In about six minutes of coverage, the network acknowledged the $787.5 million settlement, then moved on to other topics.