A scientific, non-profit organization with the goal of getting support to do research on ideas in astronomy.
http://metaresearch.org/
The Particle Physics and Astronomy Research Council that directs, coordinates, and funds research in particle physics and astronomy, delivering science, technologies and people for the UK.
http://www.pparc.ac.uk/
Official homepage of AURA, a consortium of universities, educational and other non-profit institutions, that operates astronomical observatories.
http://www.aura-astronomy.org/
A source for information on astronomy, including Black Holes, Neutron Stars, and X-Ray Binaries.
http://astro.ucc.ie/
A group of researchers studying problems among the most fundamentals in physics.
http://astro.uwaterloo.ca/
The Joint Institute for Very Long Baseline Interferometry in Europe which provides support to astronomers and the Telescope Network.
http://www.jive.nl/
Netherlands foundation for research in astronomy.
http://www.astron.nl/
The Astronomy Department of the California Institute of Technology.
http://www.astro.caltech.edu/
Resources for the study of the fundamental constituents of matter and the forces of nature.
http://www.particlephysics.ac.uk/