American Physical Society (APS)

APS is an academic group for physicists and those interested in the subject. Joining the organization provides access to the society's physics journals and a range of other career services. Announcements of physics news, including the latest research can easily be found here.

http://www.aps.org/

American Institute of Physics

The American Institute of Physics is a not-for profit organization that promotes the advancement of physics education and research and its application to human welfare. The Institute's academic publications spread knowledge of the latest discoveries in physics and astronomy. Scientists can also find great opportunities on the Institute's online job board.

http://www.aip.org/

Lawrence Livermore National Laboratory

A scientific research laboratory that is part of the National Nuclear Security Administration (NNSA). The site's library has plenty of materials of interest to researchers. There are also publications on the laboratory's activities including its annual reports.

http://www.llnl.gov/