A controlled spacecraft impact into a crater in the lunar south pole plunged through the lunar soil, revealing water and other volatiles. Authors: I. G. Mitrofanov, A. B. Sanin, W. V. Boynton, G. Chin, J. B. Garvin, D. Golovin, L. G. Evans, K. Harshman, A. S. Kozyrev, M. L. Litvak, A. Malakhov, E. Mazarico, T.