Outer Space Alliance was founded around 1997 in Helsinki, Finland and was initially a project for releasing the more ambient and melodic works of Arto Koivisto. From there, it started evolving towards more collaborative and collective forms of creativity and performance. The experiences Arto had gained whilst working on the first album release, the self-financed 'Outer Space Alliance Promo CD-R' released around november 1998, gave birth to ideas regarding group organization and performances that eventually started evolving inside Arto's head.

The foundational idea was that by pulling together artists with varying musical backgrounds and instrument performance techniques without imposing a strict "ambient ruleset" (and also to some extent, disregard to whether or not the members were familiar with the genre), it could be possible to add a fresh aspects to performing and composing ambient & chillout music. As such, Tommi Björk and Jari Pitkänen, the two main contributors on the O.S.A. album, officially joined up to form the core for the now evolving project. Tommi, a self-taught guitarist and singer/songwriter, brought with him a bit of the rock star guitar antics whereas Jari, an expert with electronic sound programming and composing, contributed more towards the other-worldly sounds, effects and processing trickery. Some time later, when the need for gigging arose Teemu Sinkko, also a self-taught bass/guitar player interested in exploring the soundscapes of Outer Space, joined to bring the Alliance live setup to a completion.

To keep the momentum of releases going during these organizational changes, a self-financed theme EP built around the track 'Her World Seen Through the Glass' on the previously released O.S.A. album was made. Much needed momentum boost was also received during spring 2001, when the track 'Comfortably Numb' from the O.S.A. album was featured as the 'Reader Demo of the Month' on the april issue of the Future Music magazine.

As new material was assembled for gigging, it was decided that the recordings of live gigs would be used as ground work for the next full-length album. However, due to technical problems with recording hardware as well as gig cancellations, no actual recordings were ever recorded to the point of actually being usable. Eventually, this idea and the "frameworks" of songs it spawned were put to hold. Frustrated by the setbacks with the live gigs and the resulting lack of new material to build on, Arto and Jari started working on new studio material during 2002 instead. After a year or so being "under the works", they felt that this new material was still not strong enough to be considered publishable despite length-wise there was already enough material for a full-length album. As the work put in so far didn't seem to bear fruit all the material, as well as the project itself, was put on a creative hold "for now", forcing the band to hit the famous second album barrier.

During 2003 O.S.A. took also part on a project released to celebrate the 10th anniversary of the art gallery Titanik, located in the city of Turku, Finland. The theme for this release was set to motorbikes by the gallery owners and thus O.S.A.'s contribution was four songs composed mostly using sounds edited from various motorbike-created noises. Eventually, only one song was featured on this anniversary release, thus these tracks were used to form 'Two-Wheeler EP', released through the (now de-funct) Corewatch netlabel.

In 2004 and 2007 edited (and thus in some way completed) versions of the few prominent tracks created for the scrapped second full-length album (2002-2003 studio material sessions), 'Music for Spaceports' and 'Omnipresence', found their way to getting released online. 'Music for Spaceports' was featured on the dark vault compilation (2004) released by the Portugal-based netlabel Enough Records and 'Omnipresence' was featured on the demoscene release 'Crypton' by Lords of Liquor (2007). Funnily enough, Jari's solo work was also featured on the same Enough Records release!

2009 sees the band resurfacing on Holy Feather Productions, a music production company where Arto and Tommi are part of the founding members. Through this label, the band returns with a completely re-recorded, edited and re-mastered version of their debut album plus a very limited CD-R edition of ’Two-Wheeler EP’. With the help of modern recorging equipment, the soundscapes served by the original debut reach completely new heights and atmospheres on this new release. Despite some of the tracks have taken completely new directions, the album still serves the same cross-section of various styles under ambient and chill-out genres.

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