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 ...

WASHINGTON, Jan 30 (Reuters) - Observations by NASA's James Webb Space Telescope and Chandra X-ray Observatory are providing ...

For many years, scientists have tried to understand how the Milky Way is positioned in space, and how it moves together with ...

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 ...

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

The young galaxy cluster existed about 12.8 billion years ago and has an estimated mass 20 trillion times that of the sun ...

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

In a galaxy far, far away, there lie clues to the cosmic dawn—the first few hundreds of millions of years in our 13.8-billion ...

Neutrino particles have extremely small masses, yet there are so many of them that they carve out the large-scale structure ...

NASA’s James Webb Space Telescope has once again redefined the boundaries of cosmic observation. A recent study published via ...

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