A dazzling snapshot from ESO’s Paranal Observatory captures a rare sky parade — the Moon, a comet, and nearly every visible planet strung across the heavens. This celestial lineup is an optical ...

Like the Star Wars planet, a distant world follows a path around two stars, both of them small, cool bodies called brown ...

An in-depth technical analysis by the European Southern Observatory (ESO) has evaluated the impact of the INNA megaproject on the facilities at the Paranal Observatory, Chile—and the results are ...

Astronomers have found a planet that orbits at an angle of 90 degrees around a rare pair of peculiar stars. This is the first time we have strong evidence for one of these 'polar planets' orbiting a ...

The facilities operated by the European Southern Observatory (ESO) are located in the Chilean commune of Taltal, in the Antofagasta Region, on the Paranal Hill in the Atacama Desert, 130 ...

JOHN BARTLETT, BYLINE: When night falls over the Paranal Observatory, which operates one of the world's most powerful telescopes, the skies above are dusted with brilliant constellations and nebulae.

"Light pollution from projects like INNA doesn't just hinder research, it steals our shared view of the universe." A green energy plant expected to be built in Chile's Atacama Desert could ...

A hypothetical office overlooking the Paranal Observatory in Chile, with the European Southern Observatory’s VLT visible with its laser on the hill, and the four small SPECULOOS telescopes nearer the ...

This striking view of the central parts of the Milky Way was obtained with the VISTA survey telescope at ESO’s Paranal Observatory in Chile. This huge picture is 108,500 by 81,500 pixels and ...