Unfortunately, we can fit only the past year’s top 10 astronomy stories in the pages of Astronomy
magazine. Deciding which of the big discoveries announced in the past 12 months to include is always a difficult task. We also wanted to showcase the next 10 important finds announced from the end of 2011 through the end of 2012. So, here they are in chronological order.Astronomy magazine subscribers can read the full article for free. Just make sure you're registered with the website.