From caves to the cosmos | Space photo of the day for Oct. 14, 2025

ESA astronaut Marco Sieber journeyed deep underground in Italy's Apennines for CAVES training

Astrobitica October 14, 2025 (Last updated: October 14, 2025) 1 minute read

ESA astronaut Marco Sieber journeyed deep underground in Italy’s Apennines for CAVES training

Administrator

About the Author