Schools Test AI Tutors — With Teachers Firmly in Charge

Twelve middle schools are trying chat-based math help this fall. Here’s what students and teachers think so far.
Inside the Data Center Boom on the Edge of Town

Three new facilities will use as much power as 90,000 homes. The utility says it’s ready. Neighbors aren’t sure.
University Telescope Spots a Comet That Will Be Visible This Winter

Astronomers say it may be bright enough to see without binoculars by mid-January.