history (as a field of study); historical studies
Refers to the academic discipline, not to a narrative of past events (which is 歴史). Used in university contexts and scholarly writing.
He is majoring in history at university.
There are various approaches to research methods in historical studies.
Compound of 歴史 (history) and 学 (study, -ology). The term is a straightforward Sino-Japanese formation for the academic field of history.