Relevant research groups...

UCL Centre for Cosmic Chemistry and Physics
Heriot-Watt Astrochemistry Research Group
University of Nottingham Surface Astrophysics
Leiden Observatory
Heidelberg Dust Research Group
NASA/MSFC Dusty Plasma Laboratory
Syracuse Laboratory of Astrophysics and Surface Science
NASA Ames Astrochemistry Laboratory
Naples centre for Cosmic Physics

Of cosmic interest...

The Astrochemistry Net
NASA Stardust mission
NASA Space Ref
NASA Space Centre
European Space Agency
Russian Space Web