Starlight Express is a musical set in a futuristic world where trains race on roller skates. The main character, Starbuck, is a young train who dreams of winning the championship race.

Aida is an opera by Giuseppe Verdi that tells the story of an Ethiopian princess who falls in love with an Egyptian soldier. The opera is set in ancient Egypt and features elaborate sets and costumes.

We Will Rock You is a musical based on the music of Queen. The musical includes songs about space exploration, such as "I Want It All" and "Radio Ga Ga."

The Space Travelers is an opera by Karlheinz Stockhausen that tells the story of a group of humans who travel to a distant planet in search of a new home. The opera features electronic music and avant-garde staging.

Monty Python's Spamalot is a musical based on the Monty Python film Monty Python and the Holy Grail. The musical includes a scene in which Buzz Aldrin travels to the moon.

The Planets is a suite of seven movements by Gustav Holst that depicts the seven planets of the solar system. The movement "Jupiter, the Bringer of Jollity" is a majestic and uplifting piece of music.

David Bowie's Space Oddity is a musical based on the songs of David Bowie. The musical includes the song "Space Oddity," which tells the story of Major Tom, an astronaut who travels to space.

The Man Who Mistook His Wife for a Hat is an opera based on the book of the same name by Oliver Sacks. The opera tells the story of Dr. John Nash, a mathematician who suffers from schizophrenia and believes he is an alien.

Hairspray is a musical based on the 1988 film of the same name. The musical includes a scene in which Cosmo Brown travels to space in a rocket.

The Lighthouse is an opera based on the 2019 film of the same name. The opera tells the story of Thomas Wake, a lighthouse keeper who believes he is communicating with aliens.

David Bowie's Space Oddity is a musical based on the songs of David Bowie. The musical includes the song "Rocket Man" and features the character Ziggy Stardust.

Einstein on the Beach is an opera by Philip Glass that tells the story of Albert Einstein and his theory of relativity. The opera features a minimalist style of music and avant-garde staging.

Wicked is a musical based on the novel Wicked: The Life and Times of the Wicked Witch of the West by Gregory Maguire. The musical tells the story of Elphaba, a green-skinned witch who is misunderstood by the people of Oz.

The Space Travelers is an opera by Karlheinz Stockhausen that tells the story of a group of humans who travel to a distant planet in search of a new home. The planet they are traveling to is Kepler-452b.

Rent is a musical based on the opera La Bohème by Giacomo Puccini. The musical tells the story of a group of young artists living in New York City during the AIDS crisis. The musical includes the song "I Believe in a Thing Called Love" and features the character Roger Davis.