While Hubble has been studying distant galaxies for decades, JWST’s larger mirror and specialized infrared instruments allow it to detect light that has been stretched and reddened by the ...

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 ...

The Extremely Large Telescope (ELT), currently under construction in northern Chile, will give us a better view of the Milky ...

Some of the anticipation surrounding the $488 million SPHEREx mission mirrors what we saw on Christmas Day in 2021, when ...

This is a part of the telescope you don't normally see. It is gold in color, so it isn't just the JWST team mirror that's ...

Telescope mirrors require some kind of metal coating to reflect as much light as possible. JWST uses gold mirrors to catch UV and visible light emitted by early luminous objects. Secondly ...

In its short existence, the James Webb Space Telescope (JWST) has transformed our understanding of the universe. It has peered at planets, stars, galaxies and black holes, casting its eye over a ...

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A huge bipolar outflow of gas and dust, grown from the tumultuous birth of a double-star system, has formed a cosmic hourglass — and the James Webb Space Telescope imaged the scene in ...

The JWST is large in a way that no other object ... the sunshield pallets that are stowed along the front and back sides of the main mirror will fold down to their final position.