James Webb Space Telescope

The James Webb Space Telescope's ancient "little red dot" galaxies have been seen as a sign of "broken cosmology." Feeding supermassive black holes may have come to the rescue.

The James Webb Space Telescope has spotted one of the earliest and most distant supernovas, marking the death of a stellar monster 20 times the mass of the sun.

The James Webb Space Telescope captured images of 44 individual stars in a gorgeous portrait of a distant galaxy.

Galaxies in the early universe tend to be clumpy, but the new JWST discovery of a "grand design" spiral galaxy just 1.5 billion years after the Big Bang has scientists stumped.

The universe of U.S. postage stamps featuring James Webb Space Telescope imagery is set to expand again in 2025. The U.S. Postal Service revealed its Priority Mail and Express flat rate stamps.

Using the JWST astronomers have dived deeper into a cosmic spiderweb called the Spiderweb protocluster located 10 billion light-years away than ever before.

The James Webb Space Telescope has taken a detailed look at the Milky Way's monstrous young supercluster Westerlund 1.

A brand-new James Webb Space Telescope image captures the steady, slow lifestyle of the distinctive Sombrero Galaxy.

The James Webb Space Telescope may have broken another of its own records, finding potentially five of the earliest and most distant galaxies ever seen.

Three ultramassive galaxies found by the James Webb Space Telescope have astronomers reconsidering how galaxies grew so quickly in the first billion years after the Big Bang.