COVID-19 update

All libraries are CLOSED due to poor air quality.
For updates visit

Access to campus libraries is limited.

Please explore our online resources & services. We’re here, ask us!

Using the library

Access and circulation

The Robin Li and Melissa Ma Science Library is open to both the Stanford community and visitors. For a more comprehensive list of what we offer at our library, please visit the Access and circulation page.

Course reserves

The Science Library provides reserve services for the departments of Applied Physics, Biology, Chemistry, Chemical Engineering, Mathematics, Physics, and Statistics. For more information about course reserves, please visit the Course reserves page.

Visitor information

Visitors are welcome at the Science Library. Please visit the Visitor information page for a comprehensive explanation of what types of materials and services are accessible to visitors. 

Computers and printing

The Science Library offers a variety of computers and equipment to our users. Please visit the Computers and printing page for more information.

Library hours

Please visit Science Library hours.

For hours on specific days, see the full calendar.

Reference hours

Reference service is limited to Stanford students, faculty, and staff. Please send email to

After-hours access

The Science Library grants after-hours access to individual users who have a demonstrated need for around-the-clock access to the collection in order to support their research needs. Please visit the After-hours access page for more information about eligibility, policies, and procedures.

Users with limited mobility

The Science Library is located on the third and fourth floors of the Sapp Center for Science Teaching and Learning (formerly known as Old Chemistry) and is accessible to persons with disabilities. A step-free entrance to the library, located on the third floor, is via the elevator at the southwest corner of the building. The only step-free access to the upper floor of the library (fourth floor) is via the elevator (card-reader access required at all times). A guest access card can be provided as needed from the circulation desk during hours of operation. For individuals needing ongoing step-free access, please contact

Please ask at the circulation desk for help in getting materials located on upper/lower shelves. If you will need staff help, please contact the Science Library in advance by email at or by phone at (650) 723-1528.

For more information about access to the Stanford University Libraries for persons with limited mobility or other disabilities, please see the Accessibility page.