A tiny rock fragment has hit the new James Webb Space Telescope's main mirror. The damage inflicted ... gold tiles that make up Webb's 6.5m-wide primary reflector - was struck.

This image shows the complete Primary Mirror Backplane Support Structure (PMBSS) for the James Webb Space Telescope (JWST). The inset shows the location of the four support mounts of the type that ...

The new James ... Webb's mirrors and instruments to below minus 230C. The secondary mirror is extended on 8m-long booms in front of the main mirror The controllers, who are based at the Space ...

The mirror actuators on the James Webb Space Telescope are a perfect example of this extreme engineering, and to understand how they work a little better, [Zachary Tong] built a working model of ...

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The James Webb Space Telescope has revolutionized astronomy in just three years. A new project celebrates its impact on the study of exoplanets, worlds beyond the solar system.

When Pagan and DePasquale first receive the images, they appear in black and white. The colors are added to the image later, ...

An curved arrow pointing right. The Hubble telescope's replacement – the James Webb space telescope – just had its final mirror installed. The new telescope has been in the works since 1996 ...

NASA's Roman Space Telescope is preparing for launch in 2027, with a mission to study distant galaxies and explore dark ...

The telescope can peek into the past, learning how the universe looked 13 billion years ago. It uses real gold-plated mirrors to pierce through the vastness of the cosmos. Telescope mirrors ...

NASA's James Webb telescope captures face of 'real monster' hidden in deep space ...

These clouds tend to remain invisible — but the James Webb Space Telescope (JWST) has managed to capture one in a rare moment when it was lit up. Peering at a dusty pocket of our galaxy about ...