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

On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...

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

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

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

NASA's James Webb Space Telescope made its public debut with a series of breathtaking images. Among them was an ethereal ...

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

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

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

NASA's newest space telescope, on a mission to study origins of universe, snapped incredible images of the cosmos 2 months ...

This gas needs an enormous amount of energy to shine — more than normal stars can supply. The discovery, based on data from ...

Astronomers using the James Webb Space Telescope (JWST) have confirmed the existence of the first known planet closely ...