The album was largely written by Joe and
Mario Duplantier, but
Christian Andreu contributed certain parts such as the outro of "Where Dragons Dwell" and the central melody on "World to Come". According to Mario, the album was entirely self-produced by the band.
Jean-Michel Labadie was involved in the production, especially on the coherence of his bass in the compositions, and with his work the band sought "to bring a much warmer note into their sound". Gojira had emphasized more interludes and melodies in this album. Joe Duplantier said that
From Mars to Sirius represented a journey; saying, "and as in every journey, there are air gaps, variations and moments of calm". After the recording of
Terra Incognita made in ten days in a studio in
Brussels, the band decided to build their own studio called,
Le Studio des Milans, located in their hometown, where
From Mars to Sirius would be recorded. The drum recordings were made at
Le Florida in
Agen. Prior to the album's release date, the band performed two songs at concerts in France, "Backbone" and "The Heaviest Matter of the Universe". The
mastering of the album was completed in mid-July 2005. == Concept and artwork ==