Bion-M is the next generation of Russian biological research satellites. While retaining the Vostok/Zenit-derived reentry module of the earlier Bion, the propulsion module has been replace by a Yantar type module, which provides maneuvering capabilities and longer mission support. The mission duration has been increased to up to 6 months by using solar cells for energy generation. The weight of scientific equipment has been increased by 100 kilograms. August 20, 2025 at 17:13 UTC · Launch Successful Soyuz 2.1b — Russian Federal Space Agency (ROSCOSMOS), to Low Earth Orbit 31/6, Baikonur Cosmodrome, Republic of Kazakhstan The world's 7036th orbital launch attempt, and 187th of 2025. https://www.youtube.com/watch?v=2w1THKyWX2g Data: Launch Library 2, The Space Devs. Image by Roscosmos (Roscosmos Image Use Policy) via The Space Devs.