Comment login takes me back to the homepage

Can you guys make it so that when I log in on an article page to make a comment, it redirects me back to the article I was reading? Currently if I try to comment on an article and I'm not logged in, I click "Login with Facebook" and I get redirected back to TheVerge homepage. Don't get me wrong, the homepage is nice, but it's kind of annoying to have to go back in browser history just to find the article I was just reading.

Also how come I have to log in every time I visit the site? Any chance of making sign-ins last longer (or even until I actually log out)?