Back to today’s briefing

Story perspectives

Russia's Space Mission Returns with 75 Mice, Biological Specimens

9/24/2025

22 3

Summary

Story summary

Russia's Bion-M No. 2 descent module landed in the Orenburg region on Sept. 19, carrying 75 mice, over 1,500 flies, and various biological specimens.
The 30-day mission launched from Baikonur on Aug. 20.
Examinations began on-site after a brush fire was extinguished.
The mission studied gravitational physiology and included bacteria survival during reentry to test panspermia; samples return to IBMP laboratories.

1 of 1

Story summary

Russia's Bion-M No. 2 descent module landed in the Orenburg region on Sept. 19, carrying 75 mice, over 1,500 flies, and various biological specimens.
The 30-day mission launched from Baikonur on Aug. 20.
Examinations began on-site after a brush fire was extinguished.
The mission studied gravitational physiology and included bacteria survival during reentry to test panspermia; samples return to IBMP laboratories.