First navigate to goals in the sidebar.
Click on "Create a Goal" to open the goal creation form.
Open the "Other Goals" dropdown
You can search and filter the list using the inputs at the top
Information about the goal can be seen on the left side.
You can view the goals key results by clicking the plus icon.
Properties shown include:
Click on the copy icon to the right when you've chosen a goal to copy.
The create form will be filled with some of the same information as the copied goal.