'A bedrock of the U.S. mental health system — a nine-item questionnaire used to spot depression — began not with a doctor, but with a marketing man.'

Enrollment in the humanities is in free fall at colleges around the country. What happened?

How Demna engineered the rise—and near-fall—of the luxury fashion house.

A common theory of teen unhappiness says that kids these days are under an inordinate amount of pressure to compete. The evidence is all over social media.

Rice feeds more than half the world—but also fuels diabetes and climate change

Students have overdosed during class, in bathrooms, and in an elementary-school parking lot.

Taking a polygraph test is always stressful, and the results are often flawed. So why have police been using it for 100 years?

An Iraqi translator for the US military emigrated to Texas to start a new life. He ended up becoming one of the biggest drug dealers on the dark web.

That we’re all sad in winter is a common refrain, but some researchers are questioning the season’s psychological effects.

Bad actors could seize on large language models to engineer falsehoods at unprecedented scale.