[Andrew] summarizes things quite well: “yes… One of the world’s largest telescopes, 370 tons of steel and glass, was brought to a halt because of a bad indicator LED”. It stopped things by ...

Ever since then, the United States has been at the forefront of “big glass.” In fact, our institutions, Carnegie Science and Caltech, still help run some of the largest telescopes for visible ...

On a mountaintop in northern Chile, the world’s largest digital camera is preparing to power up. Its mission is simple yet ambitious — to photograph the entire night sky in extreme detail and unlock ...

The discovery of the first known double gravitational lens has been made with help from observations by NASA’s James Webb ...