This book constitutes the refereed proceedings of the Second International Workshop on Explainable AI in Space, EASi 2026, in Bremen, Germany, during August  15 -21 2026.

The 7 full papers and 1 Extended Abstract presented were carefully reviewed and selected from 13 submissions. The second edition of
the Explainable AI in Space (EASi 2026) workshop explored the intersection of explainable AI (XAI) and space applications, bringing together researchers and practitioners from both academia and industry.