News
Southern observatory consortium approves giant telescope construction
After a decade of planning, partners commit funds for a 30-metre-class telescope in the high desert.
Lumen 3, 66 (2026)
Subject
Astronomy and planetary science
Research, reviews and commentary in astronomy and planetary science.
Letter
Open access
Water vapour in the atmosphere of a temperate sub-Neptune
Infrared spectra of a planet orbiting in its star's habitable zone show water vapour and hint at a hydrogen-rich atmosphere.
Lumen 3, 79–86 (2026)
Article
Open access
A metal-poor stellar stream records the earliest assembly of the Galactic halo
Precise chemistry and orbits of stars in a thin stream reveal a dwarf galaxy that was torn apart more than 12 billion years ago.
Lumen 2, 20–29 (2025)
