Dedicated to efforts to solve quantum field theories by use of a special, relativity-based method known as light-cone quantization. Includes list of members and information about the committee's workshops and meetings.

Includes information about membership, officers, conferences and about Spanish relativity groups.

Website for the community of scientists involved in doing research for and with the proposed space-borne gravitational wave detector LISA.

Includes information about the society's officers, journal and conferences.

Foundation best known for its prestigious annual essay competition.

Section of the Joint Astrophysics Division of the European Astronomical Society and the European Physical Society

Includes a newsletter, information on events, and links to related research groups.

Association of numerical relativity groups, with the aim of developing standards for comparing the groups' different simulation codes and the results obtained therewith.