Through the centuries, the telescope has gone through an incredible evolution to become the tool it is today. In the modern era, these miraculous inventions can be purchased from a variety of stores, ...

The University of Arizona’s Steward Observatory Mirror Lab is pre-firing its huge spinning furnace and inspecting tons of glass for casting a first 8.4-meter (27-foot) diameter mirror for the Giant ...

For the past six months, Scott Friedman and a team of roughly 160 scientists and engineers have been working through one of the most daunting to-do lists in all of science. Nearly every day, they ...

After taking a few hits, NASA's newest space telescope will adjust its observation strategy to avoid its mirror being struck by tiny space rocks. The James Webb Space Telescope (Webb or JWST) has yet ...