The Rochester Museum & Science Center (RMSC) is a museum in Rochester, New York, dedicated to community education in science, technology and local history. The museum also operates the Strasenburgh Planetarium , located next to the museum, and the Cumming Nature Center, a 900-acre (3.6 km) nature preserve near Naples, New York. The museum resides at 657 East Ave. and has a collection of 1.2 million artifacts.