Broken Axle Caused June Red Line Derailment

A 27-year-old axle on a Red Line car fractured and caused a June 11 derailment, MBTA officials announced Monday, offering a clearer picture of the problem that has led to months of delays and headaches on a train line that transports hundreds of thousands of commuters.

Somerville’s Secret is Out

You can get a tattoo, a vaping rig, a comic book action figure and a $3 slice of pizza all in a short stroll through Somerville’s Davis Square, a neighborhood that’s balanced gentrification with a defiant indie sensibility. Now big institutional real estate investors are discovering the square, eyeing opportunities to build dorm-style housing and shake up stagnant retail tenant rosters.