The majestic Andromeda Galaxy, our closest galactic neighbor, glimmers with hundreds of billions of stars. The striking Galaxy NGC 772 boasts a bright central core and delicate, swirling arms. The ...

The Milky Way's closest neighbor shines in a spectacular new astrophotography portrait. Astrophotographer Ronald Brecher has captured a stunning image of our neighboring spiral galaxy, Andromeda, ...

The typical blue spiral galaxy (top) continues to form stars actively until it collides with another galaxy. At that point, an active galactic nucleus (AGN) is formed that depletes the galaxy of dust, ...

Polish astrophotographer Piotr Czerski has been honored with NASA’s prestigious Astronomy Picture of the Day (APOD) distinction.

The Andromeda galaxy (M31) has been captured by the Chandra X-ray Telescope. See the imagery and hear a sonification of it. "This image of M31 is released in tribute to the groundbreaking legacy of Dr ...