Leo P, a galaxy once dormant, has reawakened to form stars again, offering new clues about the universe's earliest galaxies.

The magnificent Andromeda galaxy (Messier 31), stands out as the most important nearby stellar island to our Milky Way, and ...

James Webb Space Telescope imagery of the Carina Nebula, Southern Ring Nebula and exoplanet WASP-96 b atmospheric data has ...

The University of Arizona will contribute to a NASA space mission to study the atmospheres of planets outside of our solar ...

Astronomers compile a large sample of an unusual class of objects in an effort to connect the dots to the early universe.

Ever since NASA’s James Webb Space Telescope was launched, it’s been revealing more about the universe than even most ...

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

Artist Ashley Zelinskie's new VR work is called "Twin Quasar." Two roads diverge between a pair of quasars, and I'm sorry I can't travel both — actually, wait, I can travel both.

But researchers have used the James Webb Space Telescope, a collaboration of NASA and its European and Canadian space ...

Discover the stunning 2500-megapixel photomosaic of Andromeda, created from 600 Hubble photos, showcasing the telescope's ...

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...