The rings formed like ripples in a pond after a blue dwarf galaxy ripped through LEDA 1313424’s heart some 50 million years ago. (The interloper appears just left of center.) ...

A collision between the Milky Way and neighboring galaxy Andromeda is far from a sure thing; in fact, it could hinge on the flip of a cosmic coin.

There’s about a 50 percent chance that the Milky Way and Andromeda Galaxy will merge into a single giant galaxy, dubbed Milkomeda, in the next 10 billion years, a new analysis shows. B. Whitmore ...

Dwarf galaxies often appear to align mysteriously around their host galaxies. A new study proposes an unprecedented explanation. Galaxies like the Milky Way are surrounded by dozens of dwarf galaxies, ...

The James Webb Space Telescope (JWST) has captured a breathtaking new deep field image of the galaxy cluster Abell S1063, surpassing Hubble’s previous view in both depth and detail. Abell S1063 ...

When we detected the trend in dwarf-galaxy clustering, we were thrilled and sought to comprehend the underlying physical mechanism. We explored all cosmological models of cold dark matter but none ...

The Associated Press reported Monday that astronomers in Finland have determined that our galaxy has a 50-50 chance of colliding with the neighboring Andromeda within the next 10 billion years.

"Milky Way season," when the galaxy's bright center becomes easier to see from Earth, typically runs from February to October, according to Milky Way photography website Capture the Atlas.

The universe might not meet its end for another quinvigintillion years, but our galaxy's fate teeters on a far less certain line. New research shows that there's a 50% chance that the Milky Way ...

— Amateur astrophotographer captures a stunning galaxy 24 million light-years from Earth (photo) "Of course, now we really want to find out whether the Milky Way and Andromeda will collide or ...

By tracking the motion of these stars, they could see that this dwarf galaxy is being ripped apart. This is almost certainly due, at least in part, to the gravitational pull of our own Milky Way.

A newly discovered object called 2017 OF201, likely a dwarf planet, travels in an extremely wide elliptical orbit (yellow), a new study suggests. The orbit of the dwarf planets Sedna and Pluto are ...