NBC News has followed the 18-year-old and his family’s yearlong struggle to return to the U.S. so his younger sister can restart her treatment.

A new line from Mattel lifts six of the dolls out of their historical contexts and drops them into contemporary fashions.

Just over half of U.S. teens say they've used chatbots for help with schoolwork, and 12% say they’ve gotten emotional support from these tools. Teens tend to view AI's future impact on their lives ...