International Numerical Relativity Group:Uses supercomputers to study black holes, gravitational waves, and other phenomena predicted by Einstein's Theory of General Relativity.
APS Topical Interest Group on Gravitation: Includes a brief description of the group as well as its newsletters.
Australasian Society for General Relativity and Gravitation: Includes a newsletter, information on events, and links to related research groups.
Cambridge Relativity Group: Includes links to relevant conference announcements, brief descriptions of research areas, staff list and a publications index.
Center of Applied Space Technology and Microgravity: Gravitation and relativity theory within the German Physical Society.
Cosmology at the University of Kentucky: The group is primarily interested in the numerical simulation of large-scale structure formation and the development of robust statistical measures for describing the resulting distribution
LIGO Home Page: The Laser Interferometer Gravitational-Wave Observatory (LIGO) project is a pioneering effort to design and construct a novel scientific facility - a gravitational-wave observatory - that will open a new observational window on the universe.
London Relativity Seminars: List of lectures given in the Relativity and Cosmology seminar series at the School of Mathematical Sciences of Queen Mary, University of London.
Max-Planck-Institut für Gravitationsphysik: The Albert-Einstein-Institut (AEI), in Potsdam, is an institute of the Max-Planck-Gesellschaft, and carries out research in gravitational physics.
Pennsylvania State University: Centers of Gravity: Includes lists of staff, publication lists, visitor information and event announcements, as well as brief descriptions of the research undertaken.
Pennsylvania State University: Institute of Gravity: Includes lists of staff, publications lists, visitor information and event announcements, as well as brief descriptions of the research undertaken.
Pittsburgh Relativity Group: Includes links to relevant conferences and magazine articles, a list of staff and online copies of paper preprints and theses.
Queen Mary - QMW Hyperspace GR: A set of hypertext based services for general relativity research provided by the QMW Relativity group
Stanford U. - Gravity Probe B: Gravity Probe B is the relativity gyroscope experiment being developed by NASA and Stanford University to test two extraordinary, unverified predictions of Albert Einstein's general theory of relativity.
Syracuse Relativity Group: Includes staff information, descriptions of research being undertaken, information on colloquia and brief descriptions of relevant courses.
U. Cape Town, South Africa:
University of Texas at Austin - Center for Relativity: Includes a staff list, information on projects, seminar and publication lists, and related software information.