Over the past decade or so, astronomers have speculated about the characteristics of rogue planets in the Milky Way galaxy.

"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 captured amazing imagery of the Chameleon I dark molecular cloud. It harbors the "deepest, ...

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

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

Astronomers have used the James Webb Space Telescope (JWST) to peer back in time over 10 billion years, observing an early ...

Astronomers using the James Webb Space Telescope (JWST) have detected the first planet seen orbiting a dead star, offering ...

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

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

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

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