NASA's Hubble telescope has revealed a striking new multi-wavelength image of the galaxy NGC 1559 in a photograph that ...

Astronomers have detected a supermassive black hole starving its galaxy of gas, halting star formation in the early universe.

Astronomers using NASA’s Chandra X-ray Observatory have found a galaxy cluster has two streams of superheated gas.

Humans confirmed the existence of other galaxies surprisingly late. Only 100 years ago, in fact, when Edwin Hubble found a ...

Astronomers using NASA's Chandra X-ray Observatory have found a galaxy cluster has two streams of superheated gas crossing ...

What are the exact sizes of galaxies, and are they bigger than they appear in deep space images? This is what a recent study ...

Galaxies usually become chaotic when they run out of star-making fuel, but this one is going out surprisingly quietly.

The Triangulum Galaxy, the third-largest member of the Local Group of galaxies, is shining with star formation in a new image ...

The Andromeda Galaxy, the Milky Way's closest galactic neighbor, glows brightly in a new Hubble Space Telescope image with ...

It takes a long time for supermassive black holes, like the one at the center of our Milky Way galaxy, to form ... have posited that a large cloud of gas could collapse to make a supermassive ...

Astronomers have examined the Extreme Outer Galaxy, also known as the outskirts of our Milky Way galaxy, using the ...

Instead, new stars are born from ample amounts of dust and gas within the galaxy. Collisions between massive ionized hydrogen clouds, known as H-II regions, create high-mass stars, which can be ...