While the purpose of this image was to focus on the bright star at the center for alignment evaluation, Webb’s optics and NIRCam are so sensitive that the galaxies and stars seen in the background ...

Four-and-a-half months after the James Webb Space Telescope's Christmas Day launch, engineers have achieved near-perfect alignment of its complex optical system, setting the stage for final instrument ...

While the purpose of this image was to focus on the bright star at the center for alignment evaluation, Webb’s optics and NIRCam are so sensitive that the galaxies and stars seen in the background ...

Alignment of NASA's James Webb Space Telescope is now complete. After full review, the observatory has been confirmed to be capable of capturing crisp, well-focused images with each of its four ...

A mosaic of images taken by the James Webb Space Telescope, showing the images of a single star as seen by the 18 segments of the spacecraft's primary mirror as part of the mirror alignment process.

Optical Surfaces Ltd designs and manufactures a wide range of mounts for use with mirrors to optimize their optical performance. Ultra-high precision mirrors are useless unless they are positioned ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The James Webb ...

Using a mere 2,000 atoms of cesium, Professor Julien Laurat and his team at the Pierre and Marie Curie University in Paris have created the world's smallest mirror. According to postdoctoral fellow ...