Chatbots Can Go Into a Delusional Spiral. Here’s How It Happens.

Over 21 days of talking with ChatGPT, an otherwise perfectly sane man became convinced that he was a real-life superhero. We analyzed the conversation.Read More
Mexico’s President Says U.S. Forces Are Unwelcome in Her Country

The Mexican government thought it had turned a corner in cooperating with the Trump administration on combating the cartels, having launched an aggressive crackdown of its own.Read More
The U.S. Says Britain Is Chilling Free Speech. Many Britons Point the Finger Back.

To some in the U.K., the criticisms from the American right over arrests of people for hate speech seem hypocritical, given President Trump’s attacks on those who disagree with him.Read More
What if You Can’t Believe the Official Numbers?

By besmirching the integrity of government statistics, President Trump is endangering an underappreciated treasure, our columnist says.Read More
How Do ‘Super-Agers’ Stay Young? What 25 Years of Research Has Revealed.

After 25 years of research on this notable group, here’s what stands out.Read More
Senate Heads for a ‘Nuclear’ Showdown on Trump Nominees

Republicans say they are preparing to impose rules changes to speed confirmations after Democrats thwarted them before Congress headed into recess.Read More
Justice Department Subpoenas Office of Letitia James, a Trump Nemesis

Ms. James, New York’s attorney general, won a civil fraud case against President Trump that is on appeal. One of the two subpoenas is related to that case.Read More
As Gaza Hunger Crisis Worsens, Israel Lets in Little Aid

An increasing number of Palestinians are dying from hunger-related causes. Others are weak from months of extreme deprivation and vulnerable to illnesses in a territory short on crucial medical supplies, fuel and clean water, aid workers say.Read More
Trump Directs Military to Target Foreign Drug Cartels

The president has ordered the Pentagon to use the armed forces to carry out what in the past was considered law enforcement.Read More
Stephen Miran, Trump’s Temporary Pick at the Fed, Could Have a Lasting Effect

Stephen I. Miran may spend only a few months on the central bank’s board of governors, but in that time he can influence the discussions around interest rates and who will become the institution’s next leader.Read More