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

Findings allow scientists to learn more about dark matter’s influence on stars, galaxies, and planets ...

This mash-up of data from the James Webb Space Telescope and the Chandra X-ray Observatory reveals two galaxies mid-collision, with their spiral arms overlapping and bending toward their neighbors' ...

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

Add Yahoo as a preferred source to see more of our stories on Google. The James Webb Space Telescope has delivered new evidence that sheds light on what scientists know about black holes. Launched ...

Artist's conception of James Webb Space Telescope. 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, ...

When NASA launched its $10 billion James Webb Space Telescope in 2021, scientists hailed the mission as the greatest achievement of its kind in over three decades. Soon, however, scientists noticed a ...

Astronomers have used the James Webb Space Telescope to peer inside the heart of spiral galaxies, where young stars carve out glowing paths. The space observatory, named after a North Carolina native, ...