The northern sky's greatest galaxy gets its familiar name from the northern constellation where it resides, Andromeda the ...

A star in the Andromeda Galaxy has inexplicably vanished, leaving behind a puzzling red light source that is baffling astronomers.

While two teams have ideas about what happened to yellow supergiant M31-2014-DS1, ultimately, it remains a mystery.

China's Wide Field Survey Telescope has captured an amazing view of the Andromeda Galaxy (M31). Credit: Space.com | footage ...

Also known as M31, Andromeda is the Milky Way’s closest major galaxy, measuring roughly 152,000 light years across, with almost the same mass as our home galaxy. The younger James Webb Space Telescope ...

A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor. Composed by NASA and international space partners, the image combines data from ...

A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor. Composed by NASA and international space partners, the image combines data from ...

Five years after my first attempt to capture the Andromeda Galaxy surrounded by faint hydrogen alpha (Ha) clouds taken with a DSLR camera back in 2020, and inspired by the recent discovery by ...

For nearly two decades, astronomers have been asserting that someday, our galaxy will collide with the galaxy Andromeda, and the two will merge. Recently, a group of scientists has challenged the ...