In a groundbreaking study published in The Astrophysical Journal, astronomers have discovered high-velocity gas clouds near ...

Unusually fast-moving gas clouds near a nearby galaxy suggest they may have come from outside the galaxy. Scientists have ...

Researchers discover high-velocity clouds in the nearby spiral galaxy M83. These clouds are moving at speeds significantly ...

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.

The knowledge that Andromeda is moving toward the Milky Way is core to our understanding of an expanding universe. Having four years previously figured out that Andromeda — a fuzzy blob to the ...

Locations of HVCs. Multiple images like this, made by radioastronomy, allowed researchers to measure the velocities of small ...

Scientists have long thought the Milky Way galaxy would someday collide with its closest neighbor, Andromeda. However, new research suggests the future of our cosmic home is more uncertain than ...

Discovery of a high- velocity cloud of the Milky Way as a potential dark galaxy. Science Advances. Published online April 18, 2025. doi: 10.1126/sciadv.ads4057.

By Ashley Strickland, CNN (CNN) — A collision between our Milky Way galaxy and its largest neighbor, the Andromeda galaxy, predicted to occur in about 4.5 billion years, has been anticipated by ...

The Milky Way sits in a cosmic neighborhood called the Local Group that includes more than 50 other galaxies. Those galaxies can be as small as a dwarf galaxy with up to only a few billion stars ...

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.