At a frigid -125 degrees Fahrenheit (-87 degrees Celsius), WD 1856+534 b is the coldest planet ever directly observed, ...

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

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

The first deep field image captured by the James Webb Space Telescope is of galaxy cluster SMACS 0723. Credit: NASA, ESA, CSA ...

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

The James Webb Space Telescope has captured imagery of spiral galaxy NGC 2283, which is located about 45 million light-years ...

Using the James Webb Space Telescope, astronomers have discovered "smoking gun" evidence of a hidden feeding supermassive ...

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

NASA's Galaxy Zoo project invites volunteers to classify James Webb Space Telescope images, aiding scientists in ...

Astronomers using the James Webb Space Telescope have discovered Zhúlóng, the most distant known spiral galaxy, existing just one billion years after the Big Bang. Defying expectations, Zhúlóng ...

One of the most famous and beautiful cosmic sights shows its colors in this new image from the Hubble Space Telescope. The Veil Nebula is the remnant of a massive star which exploded in a supernova 10 ...

Two new research studies explore how a stellar nursery in the heart of the Milky Way is affected by the region’s strong ...