The James Webb Space Telescope captured this image of a young galaxy cluster, MACS J0553.4-3342.

Astronomers have discovered the secrets of early galaxies that pumped the infant cosmos full of dust, but by studying a much ...

Using the James Webb Space Telescope, astronomers have spotted a massive and densely packed galaxy cluster before such structures were thought to be possible.

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

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Imagine an enormous telescope with a sun shield the size of a tennis court that sends back proof of a lemon-shaped exoplanet raining diamonds. Then, picture a flying object that can hurtle toward the ...

The most powerful telescope in history. The James Webb Space Telescope's "jewel-filled" photos are stunning.

This artist’s concept shows the Beta Pictoris system with the discovered giant exoplanet Beta Pictoris d at the right. It has ...

The Smithsonian’s National Air and Space Museum welcomes two new acquisitions to the collection—the James Webb Space Telescope (Webb) Pathfinder and Parker Solar Probe model. The Pathfinder is a ...