The suspect in the British Columbia shooting had long been posting about mental health problems, substance abuse and a fascination with weapons and online violence.

Fringe movements are using games and other online platforms to draw growing numbers of children to their causes, new data and dozens of interviews show.

A.I. companies are buying up memory chips, causing the prices of those components — which are also used in laptops and smartphones — to soar.

In her State of the State address, Gov. Kathy Hochul will propose that the default setting for online platforms should ban viewing or messaging minors.