The James Webb Space Telescope has discovered surprisingly large and bright early galaxies. This discovery challenges the ...

Astronomers have identified three ultra-massive galaxies -- nearly as massive as the Milky Way -- already in place within the first billion years after the Big Bang. This surprising discovery was made ...

Space never ceases to amaze us, but what the James Webb Space Telescope (JWST) just found has changed everything that we know ...

James Webb Space Telescope imagery of Pandora’s Cluster (Abell 2744) delivers three galaxy clusters and so much more. Take a ...

Three ultra-massive galaxies from the early universe, named "red monsters" show star formation happened faster than believed.

The nearby bright star Vega is surrounded by a surprisingly smooth, 100 billion-mile-wide disk of cosmic dust, confirming ...

Since its deployment, the James Webb Space Telescope has been fine-tuned by experts to maintain its powerful optical ...

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

Webb's high-resolution instruments uncover distant objects, enabling studies of early stars, galaxies, and habitable ...

Pocock, who has worked on the JWST, catalogues the science behind its most stunning images in her new book, Webb's Universe. Here's her pick of the telescope’s best shots ...

The Jet Propulsion Laboratory (JPL), a leading center for robotic space exploration run by NASA and Caltech, announced ...

Astronomers using the James Webb Space Telescope have spotted a feeding black hole in the early universe that seems to be eating 40 times faster than is theoretically possible.