The European Space Agency's Milky Way-mapper Gaia has completed the sky-scanning phase of its mission, racking up more than 3 ...

Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...

Hubble’s work pushed the field of astronomy forward, starting with his paper demonstrating that some objects exist outside our galaxy.

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

High radiation during a time of frenzied star formation in the Milky Way left one stellar population with few chances to form planets, a study reports.

Astronomers have discovered an extraordinary new giant radio galaxy with plasma jets 32 times the size of our Milky Way.

"Within 2 billion years, Andromeda will have traveled the distance that separates it from the Milky Way and, just at their meeting point, they will cross each other," the expert explained ...

But around the cosmic time that we are seeing the Firefly Sparkle, Milky Way-like galaxy progenitors were about 10,000 times less massive than today’s Milky Way. Hopefully with the collaboration ...

The James Webb Space Telescope's Near-Infrared Camera (NIRCam) reveals a stunning view of star-forming region Sagittarius C ...

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