Artist’s impression of WASP-107b Huge system of dusty material enveloping the young star HR 4796A Wasp-39b and its parent star (artist’s impression) Comprehensive Spectrum of WASP-39b Starlight yields clues to exoplanets’ atmospheres Artist's illustrations of planets in TRAPPIST-1 system and Solar System rocky planets Spectra of planets in TRAPPIST-1 system The habitable zone in the TRAPPIST-1 system Kepler-13Ab (artist’s impression)