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 ...

Scientists outline the scientific and technical case for building a northern-hemisphere 30-meter telescope at La Palma to support time-domain and multi-messenger astronomy.

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 ...

Gamma-ray bursts (GRBs) are among the most powerful explosions in the universe, second only to the Big Bang. The majority 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 ...

In the middle of Chile's Atacama desert, there's lots of activity as construction on the Extremely Large Telescope (ELT) is still underway, with cranes helping to move pieces in place. The ELT is the ...

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 ...

If you think stargazing from your window is impressive, the world’s largest telescope is out here collecting light that’s traveled for eons. The largest telescope in the world is called the Gran ...

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 ...

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 ...

The past quarter of a century in astronomy has been dominated by large telescopes — but they are about to be usurped by some even larger ones. When you purchase through links on our site, we may earn ...