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

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

The James Webb Space Telescope's Near-Infrared camera (NIRCam) captured stunning imagery of Neptune. It is the "clearest view ...

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

Sub-Neptunes, planets with diameters bigger than Earth's but smaller than Neptune's, are the most prevalent form of exoplanet ...

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

These types of exoplanets are some of the most common in our galaxy - but they've remained mysterious until now.

Unlike the James Webb Space Telescope's views of other sub-Neptune exoplanets' atmospheres, its look at TOI-421 b was clear. Credit: NASA / ESA / CSA / Dani Player illustration A sweltering planet ...

Scientists observed and captured the first clear evidence of auroras on Neptune using the James Webb Space Telescope (JWST), marking a milestone in the study of the outer reaches of the solar system.

Why doesn’t our solar system have sub-Neptune exoplanets and what can they teach us about planetary formation and evolution?