With 3.3 users can now rate your article using a 5 star system.

If you've just installed or upgraded to the 3.3 version then it will have installed a template called 3.3 Ajax Template. Edit this template and expand the Rating Form section, here you'll see the code that controls how the ratings form is displayed.

Now you just need to decide where you want the form to show. Expand the Comments Structure section, and wherever you want the ratings form to show add the {ratingform} tag. So if you want it to show above the comments but below the news post you'd do it like this