NASA's Hubble Space Telescope has captured a stunning new image of a galaxy that's over twice the size of our Milky Way. According to NASA, the gigantic elliptical galaxy (dubbed NGC 474) sits about ...

The interstellar comet 3I/ATLAS, with its massive size, record speed, and mysterious Milky Way origin, has scientists like Avi Loeb speculating if it's alien technology ...

At approximately 100,000 light years in diameter, the Milky Way’s vastness and the broader, ever-changing dynamics of the cosmos defy any attempt to fully understand our home galaxy and its history.

On October 18, 2025, the 4-meter Multi-Object Spectroscopic Telescope (4MOST) facility, installed on the VISTA telescope at ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Astronomers have just revealed the first image of Sagittarius A*, a ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. We now have a better window than ever into the center of our galaxy ...

We have the barest inkling of how truly vast the Milky Way galaxy is, but looking up on a dark summer night is enough to convince you it must be REALLY big. After all, this garland of hazy light ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Chris Impey, University Distinguished Professor of ...

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