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

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

The James Webb Space Telescope has provided groundbreaking insights into a new type of exoplanet, fundamentally different ...

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.

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 ...

Learn what this survey recorded of exocomet belts, which imaged and identified bands of every size.

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

Active galactic nuclei (AGN) are among the most energetic phenomena observed in the universe. These luminous objects, powered ...

Pandora, NASA’s newest exoplanet mission, is one step closer to launch with the completion of the spacecraft bus, which ...

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