Peculiar James Webb Space Telescope observations seem to show gargantuan black holes in the earliest moments of the universe.

The James Webb Space Telescope captured asteroid 10199 Chariklo occult the star Gaia DR3 6873519665992128512. It was the ...

For a long time, astronomers believed galaxy formation followed a very specific model: cosmic gas collects in clumps, stars ...

"This unique lensing configuration allows us to constrain both the Hubble constant and dark energy parameters simultaneously ...

The infrared James Webb telescope is 100 times more powerful than the Hubble telescope. It has 18 separate mirror segments ...

What does it take to build the most ambitious space telescope ever? Dive into the incredible engineering and the challenges ...

The James Webb Space Telescope uncovers massive "Red Monsters" galaxies from the early universe, revealing rapid star ...

The James Webb Space Telescope (JWST) has discovered three massive galaxies, dubbed "red monsters," that challenge current ...

The James Webb Telescope uncovers Einstein's zig-zag in quasar light, offering insights into cosmic expansion.

If another gravity theory is correct, "then the broader implications are enormous," astrophysicist Stacy McGaugh told ...

In a new image from NASA’s James Webb Space Telescope, a galaxy named for its resemblance to a broad-brimmed Mexican hat appears more like an archery target. In Webb’s mid-infrared view of the ...

The James Webb telescope has spotted three gigantic "red monster" galaxies that were spawned soon after the Big Bang. They're ...