August 3, 2018 3:25 pm Don't Miss Rooftop Stargazing at Boston University The The Department of Astronomy at Boston University opens its doors to the public almost every week and lets them use their high-powered telescopes for free. US & World Videos 2:33 Karen Read trial resumes Monday 2:07 Steward Health Care files for bankruptcy 3:17 Northeastern's graduation disrupted by 23-year-old who was then detained by police 2:37 Southbridge mom claims photo shows male school admin peeping in girl's bathroom 1:56 20-year-old killed, teen critically hurt in Northbridge double stabbing