February 11, 2026

Astronomers Celebrate Cancellation of $10B Chile Project That Threatened Dark Skies

The Guardian Science
astronomy Chile light pollution telescopes
Astronomers are celebrating the cancellation of a massive $10 billion development project in Chile that they feared would have irreparably damaged the world's best skies for astronomical observation. Chile's Atacama Desert region hosts some of the most advanced telescopes on Earth, chosen specifically for its exceptionally clear, dark skies and dry atmosphere.

The proposed project threatened to introduce light pollution and other disruptions that would have degraded the observing conditions that make the region uniquely valuable to science. The cancellation is being hailed as a victory for the global scientific community, which relies on these pristine conditions for groundbreaking discoveries in cosmology, exoplanet research, and astrophysics. The outcome underscores the tension between economic development and the preservation of irreplaceable natural resources for scientific research.
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