| University of Cambridge - IoA - X-Ray Astronomy Group Institute of Astronomy. The research of the group focuses on active galaxies, clusters of galaxies, elliptical galaxies, and the X-ray background. | |
| University of Cambridge - DAMTP - Astrophysical Fluid Dynamics and Non-linear Patterns Department of Applied Mathematics and Theoretical Physics. Research, members, seminars, publications. | |
| University of Cambridge - Cavendish Laboratory - Astrophysics Group A wide-ranging program of research, including the Mullard Radio Astronomy Observatory, situated at Lord's Bridge. Group members, research interests, publications, surveys and catalogues, other resources. | |
| Theoretical Astrophysics Center in Copenhagen Research center in Denmark on the structure of space, galaxies, and stars. | |
| Smithsonian Astrophysical Observatory Astrophysical research facility located in Cambridge, Massachusetts. | |
| Rice University Department of Space Physics and Astronomy. | |
| Oxford Theoretical Astrophysics Research into mathematical modelling and numerical simulation of stars and stellar atmospheres, the solar system, our Galaxy and other galaxies and the structure of the universe. | |
| National Astrophysics and Space Science Programme A joint venture of various South African universities, open to students from all over Africa. | |
| Mullard Space Science Observatory Mullard Space Science Laboratory of the University College London. Research and postgraduate teaching in astrophysics, solar physics, plasma physics, climate physics, and detector physics. | |
| Max-Planck-Institut fuer Astrophysik, Garching Prominent research institution in astrophysics. | |
| Laboratory for High-Energy Astrophysics Scientists at NASA's Goddard Space Flight Center laboratory for high-energy astrophysics study some of the most extreme phenomena in the Universe. | |
| Joint Center for Astrophysics Collaboration between the Laboratory for High-Energy Astrophysics and the University of Maryland - Baltimore County. | |
| Istituto di Astrofisica Spaziale e Fisica Cosmica, Bologna Research projects: observations in the microwave, infrared, optical, X-ray and gamma ray energy bands, and observations of cosmic rays. | |
| Institute of Theoretical Astrophysics One of the main centers for exploration of astrophysics in Oslo, Norway. | |
| Harvard-Smithsonian Center for Astrophysics Collaboration between Harvard College Observatory and the Smithsonian Astrophysical Observatory | |
| Harvard College Observatory Research observatory for astronomy and astrophysics. Founded in 1839. | |
| You Be the Astrophysicist Interactive site for learning about astronomy and astrophysics. | |
| WCRI WalkerScience Examines several aspects of astrophysics including the big bang, origin of heavy elements and satellites, dark matter and dark energy. | |
| University of Surrey - Department of Physics (Research) University of Surrey abridged version of the book 'Astrophysics' , with many links to relevant material on astronomy, astrophysics and cosmology. | |
| Titius-Bode Law Overview of the Titius-Bode Law. | |
