Can you edit and article after you've published it?

Yep! When you go to your article, there should be a little pen icon under the title. Click on that, and you'll be able to edit the article.

dont think so

Yes you can but if your article has been fanned and you edited it,it acts like a new article as in the amount of fans it had dissapears!If you click on the pencil on your article it will let you edited it:)

Yes. :)

yep, i've done it before.

Eeyup

I think you can. i've never tried to edit my comment before...so yeah. :-)