"This book is uniquely about the relationship between the optical telescope and astronomy as they developed together. It covers the time between the telescope's pivotal invention in the 1600's up to ...

A small piece of metal engineered in Australia helped sharpen the James Webb telescope's vision from a million miles away.

Welcome to the Tuesday Telescope. There is a little too much darkness in this world and not enough light—a little too much pseudoscience and not enough science. We’ll let other publications offer you ...

GREENBELT, Md. – A preliminary design review has concluded and verified the integrated performance of all subsystems in the Optical Telescope Element on NASA’s James Webb Space Telescope. The Optical ...

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, ...

Researchers from the Purple Mountain Observatory (PMO) of the Chinese Academy of Sciences and the Italian National Institute for Astrophysics have proposed a new method to measure moderately saturated ...