Interstellar or Interstella may refer to:

Space

Interstellar space Outer space, commonly shortened to space, is the expanse that exists beyond Earth and its atmosphere and between celestial bodies. Outer space is not completely empty—it is a near-perfect vacuum containing a low density of particles, predo ...

** Interstellar medium *

Interstellar travel Interstellar travel is the hypothetical travel of spacecraft from one star system, solitary star, or planetary system to another. Interstellar travel is expected to prove much more difficult than interplanetary spaceflight due to the vast diffe ...

Interstellar communication Interstellar communication is the transmission of signals between planetary systems. Sending interstellar messages is potentially much easier than interstellar travel, being possible with technologies and equipment which are currently available. Ho ...

Interstellar probe An interstellar probe is a space probe that has left—or is expected to leave—the Solar System and enter interstellar space, which is typically defined as the region beyond the heliopause. It also refers to probes capable of reaching other s ...

** Interstellar Probe (spacecraft) (ISP), a NASA probe proposed in 2018 for launch in the 2030s. ** Interstellar Express (IHP), Chinese probes proposed in 2019 for launch in 2024.

Art, entertainment, and media

Films and soundtracks

* ''Interstella 5555: The 5tory of the 5ecret 5tar 5ystem'', an animated film set to Daft Punk's album ''Discovery'' * Interstellar (film), ''Interstellar'' (film), a 2014 science fiction film directed by Christopher Nolan ** Interstellar (soundtrack), ''Interstellar'' (soundtrack), the soundtrack to the 2014 film ''Interstellar''

Music

Groups

* Intastella, a band in the second wave of the Manchester music scene * Interstellar (band), a Canadian rock band

Albums

*'' Interstellar Space,'' John Coltrane album * ''Interstellar: The String Quartet Tribute to Interpol'', an album by Vitamin String Quartet

Songs

* "Interstellar", a track from the album ''Folk'' by Ultramarine (band), Ultramarine

Organizations

* Interstellar Technologies, Japanese company