Hydrogen escaping from a pair of exoplanets smaller than Neptune - R. O. Parke Loyd; Ethan Schreyer; James E. Owen; James G. Rogers; Madelyn I. Broome; Evgenya L. Shkolnik; Ruth Murray-Clay; David J. Wilson; Sarah Peacock; Johanna Teske; Hilke E. Schlichting; Girish M. Duvvuri; et al. (Nature, 2025)