As night falls on the Atacama desert in northern Chile four giant telescopes turn their gaze towards the star-strewn heavens.

A canal in a suburb of Argentina's capital Buenos Aires turned bright red this week. Local media reports suggest the colour ...

Paranal telescope operator Marcela Espinoza says it's essential for Chile to preserve 'the best skies in the world' so that other countries keep choosing the region to install their telescopes ...

Reach for the stars with our guide to the best dark-sky reserves on the planet, from the French Pyrenees to the Atacama ...

Reach for the stars with our guide to the best dark-sky reserves on the planet, from the French Pyrenees to the Atacama ...

The nebulosity of hydrogen gas is revealed with the use of a “Hydrogen-Alpha” filter in an astro image of the Cygnus ...

Br. Guy Consolmagno and Christopher M. Graney reveal how Vatican Observatory Adjunct Scholars, like Fr. Adam D. Hincks, ...

Observatories in Chile’s Atacama Desert, including the world’s largest optical telescope, could be blinded by light pollution ...

Hidden in Chile’s Atacama Desert, the $1.5B Extremely Large Telescope (ELT) nears completion. With a massive 130-ft mirror, ...

STORY: Among the remote desert hills of northern Chile lies the aptly named “Extremely Large Telescope.”:: Cerro Armazones, ...

Dozens of boxes holding mirrors are placed along a remote desert hill in northern Chile as workers make progress in the ...