USA Today :: Tech

Galaxy diversity reveals clues to cosmic evolution

Astronomers peering out into our cosmic backyard have long understood that the Milky Way's galactic neighbors only seem similar ... <p><a href="http://rssfeeds.usatoday.com/~a/usatoday-TechTopStories?a=3hDO3f"><img src="http://rssfeeds.usatoday.com/~a/usatoday-TechTopStories?i=3hDO3f" border="0"></img></a></p><img src="http://rssfeeds.usatoday.com/~r/usatoday-TechTopStories/~4/413036934" height="1" width="1"/>