Well I only have two to share. Ok so here they are.
http://www.space.com/
http://www.scienceagogo.com/
I think scienceagogo has a better design layout and the articles grab yor attention pretty well... but space isn't bad. ^^
Neither are particularly great, I would really like scientificamerican ( I read many free articles there) but it doesn't seem to update regularly unless you pay for it. *cry* and i don't pay for things.
*poor person here*
Now I want to *cough**cough* ...I want to know what sites you get your science news/articles from.
steal