The Andromeda Galaxy, our nearest galactic neighbor, is a majestic spiral galaxy like the Milky Way. Let’s uncover some ...

Many more supermassive black holes could be hiding in the universe than previously thought, according to a new study.

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

"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners ...

Image: CfA/Mel Weiss Astronomers have detected a mid-infrared flare from the supermassive black hole at the heart of the Milky Way galaxy for the very first time, and it’s shedding new light on ...

Spur and gap features seen in Milky Way’s GD-1 stellar stream could be caused by a self-interacting dark matter subhalo. New research points to a dark matter subhalo as the architect behind the unique ...

Black holes are some of the universe's greatest mysteries, incredibly dense and sometimes massive void that suck in anything ...

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

But only one galaxy stands out as the most important nearby stellar island to our Milky Way — the magnificent Andromeda galaxy (Messier 31). It can be seen with the naked eye on a very clear autumn ...

NASA’s study uncovers that 35% of supermassive black holes are hidden by gas and dust, reshaping our understanding of galaxy ...

But only one galaxy stands out as the most important nearby stellar island to our Milky Way -- the magnificent ...

Like the nickname suggests, these celestial objects appear to be compact—much smaller than our Milky Way galaxy. And their color is reddish, although their light signatures are also unusual in ways ...