The San Diego Supercomputer Center (SDSC) at the University of California, San Diego, has implemented a new feature of the Globus software that will allow researchers using the Center’s computational and storage resources to easily and securely access and share large data sets with colleagues. SDSC is the first supercomputer center in the National Science Foundation’s XSEDE (eXtreme Science and Engineering Discovery Environment) program to offer the new and unique Globus sharing service.