November 20, 2017 9:00 am Self-Driving Boats are Being Tested in Boston Harbor Sea Machines is taking self-driving technology to the water with boats that steer themselves, and they are just getting started. US & World Videos 1:56 20-year-old killed, teen critically hurt in Northbridge double stabbing 1:50 Man found shot to death in Taunton shed 1:43 Authorities respond to incident in Northbridge 0:49 Bowling alley reopens 6 months after mass shootings in Lewiston, Maine 2:27 Mother speaks out after school shooting threat in Milton