Astronomers used James Webb Space Telescope data to determine the density of the universe's most mysterious "stuff." ...

"There is a growing chasm between theory and observation related to the early universe, which presents compelling questions ...

The James Webb Space Telescope’s Near-Infrared Camera captured an "array of stars that make up the dwarf galaxy Wolf–Lundmark ...

The James Webb Space Telescope has confirmed the most distant, early galaxy in the known universe. The new contender, MoM-z14 ...

The galaxy has a low star formation rate despite being located in a huge gas reservoir.

Using the James Webb Space Telescope (JWST), astronomers have discovered a new dwarf galaxy, which received designation ...

A spectacular new image from the James Webb Space Telescope reveals intricate structures inside the Helix Nebula, where a ...

Astronomers have discovered how "forever young" stars stay blue and bright despite being almost as old as the universe.

Data from the James Webb Space Telescope was used to create the largest, highest resolution map of dark matter, just ...

This NASA/ESA/CSA James Webb Space Telescope Picture of the Month brings us a scene from the distant universe. Pictured here ...

"The knowledge of these will ultimately help us understand the formation of the first stars and planets and how our own Milky Way came into being." ...

Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which launched on Dec. 25, 2021, this anniversary marks an important transition.