Researchers using the James Webb Space Telescope spotted huge stars leaking nitrogen in an early galaxy, hinting that such ...

"This observation also demonstrates that we can use Webb to find individual stars when the universe was only 5% of its ...

"In order to get such high sensitivity in the mid-infrared, one needs to go to space, as the atmosphere severely messes up ground-based observations at this wavelength." ...

The 11th day of the 18th annual Space Telescope Advent Calendar features a new view of the heart of a nearby spiral galaxy.

A merger of galaxies and their supermassive black holes in the ZS7 system was spotted by the James Webb Space Telescope. The ...

Direct chemical signatures in a distant galaxy captured by JWST confirm the presence of massive primordial stars, resolving ...

Black holes that were far too large shortly after the Big Bang posed a puzzle for astronomy. Now, stars were discovered that ...

Coiled and snakelike, a set of four identical shells surrounds a violent stellar dance 8,000 light-years from Earth.

James Webb Space Telescope observes mid-infrared flare from Milky Way’s central black hole, Sagittarius A*, revealing flare evolution, synchrotron cooling, and magnetic field measurements.

The James Webb Space Telescope has found compelling evidence for "monster stars" — gigantic, primordial stars that existed in ...

Using the James Webb Space Telescope, a team of international researchers have discovered chemical fingerprints of gigantic ...

The James Webb telescope may have detected the universe's earliest and most distant known black hole at the heart of galaxy GHZ2, revealing how the first black holes grew just a few hundred million ...