Astronauts currently on the International Space Station (ISS) are embarking on an unprecedented experiment: the first-ever attempt to brew beer in the microgravity environment of space. This groundbreaking project, spearheaded by the American brewing company Starbase Brewery, seeks to investigate how yeast reacts to both microgravity and the unique conditions of cosmic radiation.
The mission that brought this innovative experiment to the ISS, Crew Dragon, successfully docked on August 2. Aboard were Russian cosmonaut Oleg Platonov, along with American astronauts Zina Cardman (commander) and Michael Fincke (pilot), and Japanese aerospace agency (JAXA) specialist Kimiya Yui. The launch, originally slated for July 31, was delayed by a day due to unfavorable weather conditions, with the Falcon-9 rocket finally lifting off on August 1 at 18:43 Moscow time.
Starbase Brewery announced on its official portal: “We`ve launched our first two payloads to the ISS as part of NASA`s Crew-11 mission! MicroBrew-1 is the world`s inaugural endeavor to ferment beer in space.” The company plans to meticulously analyze the fermentation process using beer as a model, specifically observing yeast behavior under cosmic conditions. The insights gained from this experiment could significantly contribute to improving the production of various space provisions, including food and beverages, for future long-duration missions.
Beyond brewing, Starbase Brewery is also pursuing the “OASIS” project, which focuses on cultivating agricultural crops in space. For this initiative, spent brewing grain will be combined with Martian regolith – the loose surface material found on Mars – and used as a fertilizer to grow barley. Should this agricultural experiment prove successful, it would mark a crucial advancement in the development of space-based farming.
The newly arrived crew is expected to remain on the space station for several months. Following their docking, the previous Crew Dragon spacecraft is anticipated to return to Earth. Its returning crew includes Roscosmos cosmonaut Kirill Peskov, NASA astronauts Anne McClain and Nicole Ayers, and JAXA astronaut Takuya Onishi. These collaborative flights are conducted under the framework of a cross-flight agreement between Roscosmos and NASA, highlighting continued international cooperation in space exploration.

