The collected creative writing of a nation, people, group, or culture.
He’s studying English literature at university.
There’s a vast body of scientific literature on the subject.
classical literature
scientific literature
world literature
(usually preceded by the) All the papers, treatises, etc. published in academic journals on a particular subject.
Written fiction of a high standard.
2008, Adam Cadre
However, even “literary” science fiction rarely qualifies as literature, because it treats characters as sets of traits rather than as fully realized human beings with unique life stories.