The U.S. Postal Service has issued a new set of stamps celebrating the James Webb Space Telescope, the most powerful space ...

The unobstructed skies that gave Big Sky, Montana its name made for an appropriate setting for the release of two postage ...

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

The full image includes some 2.5 billion pixels compiled from observations spanning more than 1,000 orbits around Earth ...

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

Artist Ashley Zelinskie's new VR work is called "Twin Quasar." Two roads diverge between a pair of quasars, and I'm sorry I ...

The first trial of an Australian-developed technology has detected mysterious objects by sifting through signals from space ...

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

The United States Postal Service has issued two new stamps featuring stellar images beamed back to Earth by the James Webb ...

Astronomers have discovered two strange objects that could be young stars — except they're completely surrounded by ice.

Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New ...