Beneath Chile’s brilliant skies, the ELT grows—an engineering giant ready to capture the secrets of the universe with the ...

The ELT is on its way to becoming the largest optical telescope in the world, and as it rises beneath some of the clearest ...

May 7, 2025 — In a sweeping new study of more than 13,000 urban areas worldwide, researchers have mapped air pollution levels and carbon dioxide emissions, ... May 7, 2025 — Wealthy ...