Question : VS2010  add project to solution

I am using Visual Studio 2010. My Solution has a website.
In Solution Explorer I would like to add a Project to my Solution. How do I do that?

Answer : VS2010  add project to solution

in 2008 it is file--> add--> new project. also i belive there is a setting somewhere to always show the solution. i am not certian about that though.