European Southern Observatory (ESO) — Intergovernmental astronomy organization operating the Very Large Telescope (VLT) and Paranal Observatory in Chile, and building the Extremely Large Telescope (ELT). Published a July 2026 press release covering cyrielle-opitom et al.’s Nature Astronomy study measuring carbon and nitrogen isotope ratios in interstellar comet 3i-atlas via VLT/UVES — the first dual-isotope measurement of any interstellar object.