I have been writing about the Giant Magellan Telescope for a long time. Nearly two decades ago, for example, I wrote that ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Recent progress photos of the European Southern Observatory's (ESO) Extremely Large Telescope ...

We now have direct images of two supermassive black holes: M87* and Sag A*. The fact that we can capture such images is ...

Sometimes astronomers don't need giant telescopes to observe the wonders of the cosmos; they just need to look up at the ...

“They can move in steps that are a fraction of a wavelength of light, or about 1/10,000th the diameter of a human hair,” explained Lee Feinberg, optical telescope element manager of the NASA James ...

Upon arrival at NASA's Goddard Space Flight Center, the Optical Telescope Assembly for the agency's Nancy Grace Roman Space Telescope was lifted out of the shipping fixture and placed with other ...

Optical aberration theory remains a fundamental component in the design and operation of space telescopes. With increasingly ambitious astronomical missions and the demand for high-resolution imaging, ...

The world's largest optical telescope is seen taking shape in an amazing image. The European Southern Observatory's Extremely Large Telescope (ELT) is being constructed on the Cerro Armazones mountain ...