SMRTR Science & EngineeringJan 12, 2026Nautilus

Astronaut Brains Change Shape in Space

SMRTR summary

New research analyzing MRI scans of 26 astronauts reveals that human brains physically shift backward and upward during spaceflight, with areas controlling movement and balance most affected. These changes temporarily impaired astronauts' balance upon return to Earth but fully recovered within six months.

SMRTR provides this summary for quick context. The original article belongs to Nautilus.

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