A long-delayed project to build the largest telescope in the Northern Hemisphere atop Mauna Kea in Hawaii has been given new ...

A journey across 440 light-years to the young star HD 135344B surrounded by a dust ring featuring the tell-tale fingerprint ...

Recently discovered interstellar comet 3I/ATLAS have been captured using the European Southern Observatory's Very Large ...

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) ...

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 ...

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 ...

An international research team led by PD Dr. Florian Peissker at the University of Cologne has used the new observation ...

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 ...

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 ...