When you run a query from the Team Explorer view, TFS returns a list of results based on your query criteria. You can customize the fields you want displayed in the results list by using the Column option available from the context menu in the query builder. (See MSDN for Column options.)
See Related:
Context Menus in Team Explorer
Searching the work item repository
Adding and saving a work item query
Viewing and modifying an individual work item
Managing work items from the Pending Changes view