Strictly speaking, every science fiction tale presents its own version of future and therefore there are as many science fiction universes as there are science fiction stories. Many SF tales follow dictates of a particular subgenre like Cyberpunk or Space Opera of which, see the separate entry.
... force along the Mediterranean coast posed a threat to Hapsburg lands and the peace of Western Europe. In 1535 Charles won an important victory at Tunis, but in 1536 Francis ...