Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which ...

When astronomers first cataloged some of the closest orbiting rocky exoplanets, they wrote them off as bare, airless cinders, ...

James Webb has spotted the most distant supernova ever seen, exploding just 730 million years after the Big Bang, offering ...

Mid-infrared observations from NASA's James Webb Space Telescope, shown in white, gray, and red, are combined here with X-ray ...

An international team of astronomers has achieved a first in probing the early universe, using the James Webb Space Telescope ...

This mash-up of data from the James Webb Space Telescope and the Chandra X-ray Observatory reveals two galaxies mid-collision ...

Scientists using the James Webb telescope observed a distant exoplanet with an atmosphere of soot and diamonds, challenging ...

James Webb observations show TOI-561b, an ultra-hot rocky exoplanet, has a thick atmosphere that redistributes heat.

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old.

James Webb Space Telescope confirms first runaway supermassive black hole racing through Cosmic Owl galaxies, proving violent ...

The James Webb Space Telescope has been helping scientists explore the cosmos for years now, but there are still plenty of ...

The James Webb Space Telescope blasted off from a launchpad in French Guiana in 2021, before reaching a spot in orbit a ...