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 ...

Scientists are now certain that James Webb will break every such record until the earliest observable light is eventually ...

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

The James Webb Space Telescope has detected the most distant galaxy ever observed, MoM-z14, offering new insight into star formation and galaxy growth in the early universe ...

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

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

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

"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." ...

Researchers using the James Webb Space Telescope have found a galaxy that is offering new data about the early stages of the ...

NASA's James Webb Space Telescope has captured a close-up view of a dying star located 650 light-years away, which is ...