High up in the Chilean Andes, the Extremely Large Telescope (ELT) is set to become the world's largest optical telescope and ...

The frame of the dome that will house the world's largest telescope has been completed, marking another key milestone in the observatory's construction. The European Southern Observatory's (ESO) ...

The dome enclosing the world's largest telescope is taking shape, with the installation of protective siding and supports for the primary mirror. The European Southern Observatory's (ESO) Extremely ...

The world’s largest optical telescope is seen taking shape in an amazing image. The European Southern Observatory’s Extremely ...

Members of the research team Grace Chesmore (left) and Katie Harrington (right) open the front of the tester used to analyze the Simons Observatory Large Aperture Telescope receiver optics. CREDIT ...

As the largest optical telescope in the world, the ELT will allow scientists to dive further into our universe than ever before. The ELT’s 39-metre ‘eye on the sky’ will capture some of the clearest ...

More than 100 years ago, astronomer George Ellery Hale brought our two Pasadena institutions together to build what was then the largest optical telescope in the world. The Mt. Wilson Observatory ...

The telescope's dome is complete and protective panels are now being installed. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Construction of ...

Using ESO’s Very Large Telescope and the W.M. Keck Observatory, astronomers at the Ecole Polytechnique Fédérale de Lausanne in Switzerland and the California Institute of Technology, USA, have ...

A new generation of extremely large telescopes requires fresh approaches to correct for the blurring effects caused by the Earth’s atmosphere, as Richard de Grijs, one of an international team of ...

It is the colours of a sunset that inspire Joseph Anderson, an astronomer at the European Southern Observatory (ESO) in the high Atacama desert, in northern Chile. “They start off very blue and ...

Vibration control in large telescopes is a critical field that addresses the challenges associated with dynamic disturbances affecting optical performance. As telescopes grow in size and complexity, ...