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

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

From decades of astronomical observations, scientists know that most galaxies contain massive black holes at their centers.

Astronomers have discovered a truly ancient monster: a radio jet 200,000 light-years wide, originating from when the universe ...

The telescope is expected to be the largest optical-infrared facility in the world for decades. The mirrors are ready and awaiting installation.

Making use of the Gemini North telescope, one half of the International Gemini Observatory, funded in part by the U.S.

The telescope is expected to be the largest optical-infrared facility in the world for decades. The mirrors are ready and awaiting installation. "This is a major challenge," said Tobias Muller ...

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

Astronomers have made an exciting discovery—a massive radio jet stretching 200,000 light-years across from a distant quasar. This is the largest radio jet ever found in the early universe, and it ...

Astronomers have characterized the largest-ever early-Universe radio jet. Historically, such large radio jets have remained elusive in the distant Universe. With these observations, astronomers have ...