Science Fiction was published from 1939 until 1941 when it was merged with Future Fiction.

A British reprint edition of Science Fiction was published for two issues in 1939.

A Canadian reprint edition was published from 1941 until 1942 - the Canadian edition outlasting the US edition under this title.

Future Fiction was published from 1939 until 1941 when it absorbed its sister publication.Fromn 1941 until 1942 it was retitled as Future Combined with Science Fiction. From 1942 until 1943 it was retitled as Future Fantasy and Science Fiction. For the remainder of 1943 it was again retitled as Science Fiction Stories for its last two issues.

The magazine was resurrected in 1950 as Future Combined with Science Fiction. Science Fiction Stories was split off for two issues in 1953 and 1954, After several more issues of Future Combined with Science Fiction Stories, future was discontinued in favor of Science Fiction Stories, which ran from 1953 until 1960. Future was revived once again and was published as a separate title from 1955 until 1960.

In late 1955 the phrase 'The Original' was added to the cover of Science Fiction Stories.

An Australian reprint edition of Future Science Fiction was published from 1953 until 1955.

A Canadian reprint edition of Science Fiction was published from 1941 until 1942.

A British reprint edition of Science Fiction was published for two issues in 1939.

A British reprint edition of Future Combined with Science Fiction Stories was published from 1951 until 1954 and underwent numerous title changes. From 1951 until 1952 it was titled Future Combined with Science Fiction Stories. In 1952 the title was changed to Future Science Fiction Stories. In 1953 it was changed back to Future Combined with Science Fiction Stories, and in late 1953 until it was discontinued in 1954, it was titled Future Science Fiction. In 1957 it was revived as Future Science Fiction and was published until 1960.