Scientists have spotted a rare class of galaxy that could represent a cosmic halfway house between two stages of galaxy development.
Galaxies usually fall into one of two categories: pinwheel-shaped spirals that tend to be blue or reddish, egg-shaped ellipticals. But now astronomers have discovered a group of red spiral galaxies that could be the missing link between the two main types.
More: http://www.space.com/scienceastronomy/081222-mm-transition-galaxies.html (http://www.space.com/scienceastronomy/081222-mm-transition-galaxies.html)