The Latest Breaking News from James Webb Space Telescope

Astronomers using the James Webb Space Telescope have detected the four oldest galaxies in the known universe, which are forming stars much faster than thought possible.

The James Webb Space Telescope has captured an amazing image of the ice giant Uranus showing its ring system, bright moons and changing atmosphere.

SWIRLING hot sand clouds have been detected on a ­distant planet by Nasa’s James Webb Space Telescope.

JWST just peered directly into the atmosphere of the giant exoplanet VHS 1256 b and found a roiling world with turbulent clouds made of silicates, similar to sand here on Earth.

New James Webb Space Telescope observations reveal that the galaxy GS-9209 had its star-forming power abruptly “quenched” by mysterious forces after millions of years of productivity.

Shimmering in purple like a cherry blossom, the cast-off material once comprised the star's outer layer. It was one of the first made by the telescope when it launched in 2021

Visible light is just one part of the electromagnetic spectrum that astronomers use to study the universe. The James Webb Space Telescope was built to see infrared light, other space telescopes capture X-ray images, and observatories like the Green Bank Telescope, the Very Large Array, the Atacama Large Millimeter Array…

Six objects in a new photograph appear to be massive galaxies whose existence is impossible based on what we know

Astronomers have discovered what appear to be massive galaxies dating back to within 600 million years of the Big Bang, suggesting the early universe may have had a stellar fast-track that produced these “monsters.” While the new James Webb Space Telescope has spotted even older galaxies, dating to within a…