"I had been waiting my entire career for Webb so that we could meaningfully characterize the atmospheres of these smaller ...

Astronomers used the James Webb Space Telescope for the largest and deepest sample of galaxy groups, some of which were up to ...

Planet TOI-421b lacks the haze of other exoplanets, which means we're able to get a surprisingly clear understanding of it.

James Webb Space Telescope imagery of the Carina Nebula, Southern Ring Nebula and exoplanet WASP-96 b atmospheric data has ...

A deep field image captured by the James Webb Space Telescope is of galaxy cluster SMACS 0723. Credit: NASA, ESA, CSA, and STScI | mash mix: Space.com Music: Tranquil Dawn by Amber Glow / courtesy of ...

Galaxies speckle the heavens like stars in a stunning new photo of the deep and distant universe.

Now, using the James Webb Space Telescope (JWST), astronomers may have cracked this puzzle, finding the first evidence of a ...

The telescope may well have outdone itself by revealing evidence of life on a world about 120 light years from Earth.

In 2009, NASA launched the Wide-field Infrared Survey Explorer, or WISE, mission to make infrared observations. This was the ...

Over the past decade or so, astronomers have speculated about the characteristics of rogue planets in the Milky Way galaxy. These "free-floating" worlds don't orbit stars, but instead roam the ...

Webb is helping scientists understand these gassy exoplanets 'in a way that was not possible prior to the telescope’s launch, ...

But when the James Webb Space Telescope (JWST) peered next to the lion, it revealed astounding new details. In the tiny constellation Sextans, JWST detected groups of galaxies up to 12 billion ...