A new study suggests galaxies in the early universe appear much larger and brighter than expected, precisely as predicted by ...

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

University of Arizona astronomers are discovering unexpected information about one of the brightest stars in the Milky Way.

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 ...

The James Webb Space Telescope has captured imagery of spiral galaxy NGC 7469, which is 90,000 light-years in diameter. The ...

These are just a taste of the discoveries made by the $10 billion Webb telescope since it began science observations in 2022.

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

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

At the heart of our Milky Way galaxy lurks a supermassive black hole about four million times the mass of the sun, called ...

"The Hubble and Webb observations together provide so much more detail that they are telling us something completely new ...