Space Telescope Science Institute
Hubblesite: News Center Release Archive
This site from Hubblesite has a very long list of Hubble Space Telescope Images listed by subject. General categories of subjects include Solar System, Stars, Nebulae, Star Clusters, Novae, Supernovae, Stellar evolutionn, Galaxies, and...
California Institute of Technology
Spitzer Science Center: Image of Young Galaxies
The Old and 'Red' Distant Galaxies in this space telescope image are barely visible (though they are clearly marked). In addition, a detailed textual overview explains various specifics of the picture.