Alt+mouse scroll (a little hand icon appears) to move the projects view around
Edit:my english messed up, SteveInChicago correct me on this.
click mouse wheel and Drag project and editors Screen area + projects inspector( seems it doesn’t work on inspector areas inside editors)
Edit 2: another related to navigation… try ctrl+ scroll wheel … Shift+scroll wheel and see what it does
(its all new to me so i share it for those like me who didn’t know about it…)