Penn State University Libraries are expanding hours and services to help students with end of the semester research and finals study needs.

Offering more than 490,000 square feet of space to accommodate more than 2,100 public seats, Pattee and Paterno Libraries are open for 24-hour service, beginning 10 a.m., April 28 to 2 a.m., May 2.

In addition, the Knowledge Commons, first floor and west ground floor of Pattee Library, offers 24-hour service, 10 a.m., April 21, continuing through 7 p.m., May 3.

Within the two buildings a variety of group study rooms for 2 to 16 people can be reserved at http://www.libraries.psu.edu/psul/infosvcs/group_study.html

Plus monitors at the entrance to the building display real-time computer availability as well. See http://www.libraries.psu.edu/psul/infosvcs/paternocompavail.html

Additional branch library locations include the Architecture and Landscape Architecture Library, Earth and Mineral Sciences Library, Engineering Library, and Physical and Mathematical Sciences Library. See http://www.libraries.psu.edu /hours for details.

Late-night CATA bus service will run to approximately 2:15 a.m., April 21 to May 4, with pick up at the Curtin Road transport station. The extended service is courtesy of Information Technology Services and the Libraries.

In addition, the Libraries remind students, staff and visitors on campus to call 814-865-WALK (9255) for Security Escort Service, a dusk to dawn, year-round service offered by Penn State Police and Public Safety, designed to provide walking accompaniment for those who feel unsafe walking alone on campus. More details at http://www.police.psu.edu/escort/

For more information, see http://www.libraries.psu.edu /hours or call ahead of your visit to confirm and to obtain hours for branch libraries at 814-865-3063.

Summer hours begin May 6.