Astronomers detected light from galaxy GHZ2, 13 billion light-years away, revealing insights into early universe formation.

The universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous—and highly ...

Found less than a billion years after the Big Bang, these massive objects are upending astronomers’ timeline for how early galaxies formed.

At this week's AAS national meeting, the society named UC Observatories Director Bruce Macintosh and two alumni, Laura Lopez and Mark Phillips, among the 24 new fellows chosen for 2025.

The James Webb Space Telescope has spotted one of the earliest and most distant supernovas, marking the death of a stellar ...

The James Webb Space Telescope identified one of the oldest supernovas, AT 2023adsv, revealing early universe phenomena ...

"Finding more supermassive black holes that are potentially hosting jets raises the question as to how these black holes grew ...

According to scientists, there could be more black holes in the universe than previously thought. Researchers reckon ...

A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...

Astronomy, always seeking the deepest mysteries of the cosmos, has taken a significant new step with the discovery of three ultra-faint dwarf galaxies. This breakthrough, the result of collaboration ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

Astronomers have captured the most detailed infrared images yet of an active galactic nucleus (AGN), using the Large ...