The Andromeda galaxy (M31) has been captured by the Chandra X-ray Telescope. See the imagery and hear a sonification of it.

November’s night skies are grand, festive and bright in many places, quiet and contemplative in others. Both tempers are ...

The galaxy, also known as M31, can be seen with the naked eye but appears more spectacular from areas with minimal light ...

The galaxy’s vast spiral arms span approximately 2,60,000 light-years, hosting over a trillion stars orbiting a supermassive black hole at its centre.

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, ...

With the bright lights of Las Vegas shining into the night sky, seeing meteor showers and other parts of the nighttime sky ...