The Space Telescope Science Institute (STScI) is a campus of offices in Baltimore, Maryland. Shuttles and walking paths connect our locations: the Steven Muller Building, the Bloomberg Center for Physics and Astronomy, the Rotunda, and the Stieff Silver Building. They are all on or near the Johns Hopkins University Homewood campus.

STScI at the Steven Muller Building
3700 San Martin Drive
Baltimore, MD 21218
410-338-4700

Additional office locations include:

• STScI at the Bloomberg Center for Physics and Astronomy
• STScI at the Rotunda
• STScI at the Stieff Silver Building