Northwestern University, teamed with the University of Illinois (UIUC), proposes to develop a game changing technology for large deployable optical quality mirrors. The innovation combines the concept ...

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 ...

The Simons Observatory (SO), a most advanced network of telescopes aimed at mapping the Cosmic Microwave Background (CMB) with unprecedented precision, has reached a major milestone: the Large ...

Welcome to “Winter observing targets for large telescopes.” In this video, Astronomy magazine Editor David J. Eicher discusses 10 of his favorite wintertime deep-sky objects, with suggestions for ...

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THE small amount of work accomplished with large telescopes has often been the subject of unfavourable comment. This criticism applies with especial force in America, where there are nearly a dozen ...

Typically large telescope construction and operation costs scale up faster than their collecting area. This slows scientific progress, making it expensive and complicated to increase telescope size.

One hundred years ago, the largest telescope in the world was the historic 100-inch-diameter (2.5 meter) John D. Hooker reflecting telescope at Mt. Wilson Observatory, just north of the greater Los ...

WASHINGTON — Some of the largest and most sophisticated telescopes ever made are under construction at the Simons Observatory in Northern Chile. They are designed to measure cosmic microwave ...

Welcome to “Observing fall deep-sky objects with a large telescope.” Today I’ll be telling you about 10 of my favorite autumn deep-sky objects, with suggestions for viewing them. I hope you’ll enjoy ...