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

Beyond our solar system, sub-Neptunes - gassy planets larger than Earth but smaller than Neptune - reign as the most common ...

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

Thanks to JWST, we've learned key details about methanol — a key building block for organic compounds necessary for life — on ...

It is a small area of the sky, equivalent to holding a square of one millimeter by one millimeter at arm’s length. But tens ...

Using the James Webb Space Telescope, astronomers have peered into galaxies that existed at cosmic noon to hunt ravenously ...

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

There’s a new class of cosmic object in town. And it might just overturn our understanding of black holes and galaxy ...

The boundless potential of astronomical discovery contrasts sharply with the backwardness and reaction promoted by Trump and ...

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

Astronomers published evidence of possible biosignatures on the planet K2-18b earlier this month, but another look at the ...