James Webb Space Telescope

Latest about James Webb Space Telescope

closeup of two postage stamps that feature colorful cosmic views

Webb mail: US Priority Mail stamps to again star deep space images in 2025

By Robert Z. Pearlman published

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.

James Webb Space Telescope
Hundreds of galaxies appear in this view, which is set against the black background of space. There are many overlapping objects at various distances. They include large, blue foreground stars, some with eight diffraction spikes, and white and pink spiral and elliptical galaxies. Numerous tiny orange dots appear throughout the scene

Spiderweb protocluster is filled with baby galaxies, James Webb Space Telescope reveals (image)

By Robert Lea published

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

James Webb Space Telescope
A stunning image of the young stars of westerlund 1 as seen by the JWST

James Webb Space Telescope explores monster star supercluster Westerlund 1 (image)

By Robert Lea published

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

James Webb Space Telescope
NASA's James Webb Space Telescope in its deployed form as seen in an artist's illustration.

NASA's James Webb Space Telescope mission — Live updates

By Robert Lea last updated

Read the latest news about NASA's James Webb Space Telescope.

James Webb Space Telescope
A wide, flat disc of blue gasses bright on the outside with a dimmer inner ring, and bright white center point stretches across vast space.

The Sombrero Galaxy's star-forming days are nearly over — and the James Webb Space Telescope may know why

By Keith Cooper published

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

James Webb Space Telescope
A large red swirl with a glowing red center (inset) Ten black squares in two layers of five containing red and blue dots

James Webb Space Telescope 'pushed to its limits' to see most distant galaxies ever

By Robert Lea published

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.

James Webb Space Telescope
Three reddish galaxies zoomed-in from a background image.

James Webb Space Telescope unveils surprising 'Red Monsters' in the early universe

By Larissa G. Capella published

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.

James Webb Space Telescope
Worlds lined up next to one another in an artist's concept.

Lava could light up the James Webb Space Telescope's search for watery exoplanets

By Kiona N. Smith published

Scientists are trying to figure out how minerals connected to exoplanetary water would look to the James Webb Space Telescope.

James Webb Space Telescope
specs of stars and galaxies in the black of space.

James Webb Space Telescope finds galaxies pointing toward a dark matter alternative

By Sharmila Kuthunur published

A new study suggests galaxies in the early universe appear much larger and brighter than expected, precisely as predicted by modified Newtonian dynamics, or MOND.

James Webb Space Telescope
two images: on the left a blue swirl of light on a black background; on the right, an orange swirl of light on a black background

'Vega continues to be unusual:' Lack of planets around young star puzzles astronomers

By Keith Cooper published

A joint Hubble and James Webb Space Telescope (JWST) project to learn more about the dusty disk around the bright star Vega has found a surprising lack of planets.

James Webb Space Telescope
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