Space opera has been defined as "a television or radio drama or motion picture that is a science-fiction adventure story". Some critics distinguish between space opera and See more

Early works which preceded the subgenre contained many elements of what would become space opera. They are today referred to as proto-space opera. Early proto-space opera was written by … See more

Several subsets of space opera overlap with military science fiction, concentrating on large-scale space battles with futuristic weapons in an interstellar war. Many series can be considered to belong and fall in two genres or even overlap all like Ender's Game series See more

Harry Harrison's Bill, the Galactic Hero and Star Smashers of the Galaxy Rangers, Mel Brooks's Spaceballs, Galaxy Quest and Family Guy See more

• Speculative fiction portal
• List of space opera media
• Military science fiction
• Space opera in Scientology See more

• Langford, Dave (1996). "Fun with senseless violence". The Silence of the Langford. NESFA Press. ISBN 0-915368-62-5.
• Sawyer, Andy (2009). "Space Opera". The Routledge Companion to Science Fiction. Taylor & Francis. pp. 505–509. See more

• "Space opera". The Encyclopedia of Science Fiction. See more