You can access Matter specific research from the Matter record, and edit it from there.
From a Matter Detail Page
Hover over the Research Link
Research Related List
When the Hover screen appears choose the research record you wish to edit, by clicking on the Edit link
Edit the Research Record
- Add/modify the data, as desired
- Click Save to save your changes
(Alternately) Navigate to the Research Detail Page
Alternately, you can reach the edit page (shown above) by clicking the Edit button on the Research detail record.