The primary mirror array will be 128 feet (39 meters) across, allowing it to gather more light and greater detail than any ...

The world's largest telescope is almost as big as your house—and it’s unlocking the universe’s biggest mysteries.

Over the past few years or so the most talked about kind of telescope was the one that is meant to operate in space. An ...

The project in the Atacama Desert could increase light pollution by up to 50%, making it much harder to observe the cosmos ...

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 ...

The Simons Observatory (SO) has completed the installation of its Large Aperture Telescope (LAT) near the summit of Cerro Toco in the Atacama Desert of northern Chile.The telescope joins the ...

The stunning comet C/2024 G3 lights up the sunset sky over Chile's Very Large Telescope in this spectacular photo.

Astronomers have detected oxygen in the most distant galaxy ever found. It’s 13.4 billion light-years away from Earth, according to new research.

The Gemini Telescope in Hawaii and the Very Large Telescope in Chile were used ... the Gemini North Telescope is shown at the Mauna Kea Observatory on the Big Island of Hawaii.

Inside the observatory on Saint Vincent College’s campus is a large telescope that students use for different projects — and to get a closer look at the sky.