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

Using the James Webb Space Telescope, a collaboration of NASA and its European and Canadian counterparts, a team of ...

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 ...

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 ...

Sagittarius C, a turbulent region near the Milky Way’s center, is glowing with hot plasma and threaded by magnetic fields, ...

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 ...

Astronomers using the James Webb Space Telescope (JWST) have detected the first planet seen orbiting a dead star, offering new insights into how planets evolve during the final stages of a star's ...