Astronomers have used NASA's Chandra X-ray Observatory to break down the cause of a remarkable formation of radio waves they ...

The researchers discovered the Treble Clef is likely caused by an outburst from a supermassive black hole, followed by a ...

Add Yahoo as a preferred source to see more of our stories on Google. This illustration shows a possible view from Earth of the early stages of a predicted merger billions of years from now between ...

For decades, astronomers have cast galaxy mergers as the universe's ultimate relationship drama: two galaxies collide, chaos erupts, black holes awaken and star formation comes to a screeching halt.

In about 4.5 billion years the Milky Way will smash into the Andromeda Galaxy in an event already dubbed the Andromeda-Milky Way collision. Astronomers are still attempting to predict what it will be ...

Add Yahoo as a preferred source to see more of our stories on Google. When galaxies collide, it's less like a train wreck and more like a marriage: Two separate entities merge into a single massive ...

A collision may have left these galaxies without dark matter. That spells trouble for alternative gravity theories.

Melbourne : When two different sized galaxies smash together, the larger galaxy stops the smaller one from making new stars, a new study of more than 20,000 merging galaxies has found. The researchers ...

Astronomers have discovered a "galaxy-killing wind" that may explain why there are far more massive "dead" galaxies than expected in the early universe. This wind, powered by cosmic collisions between ...

At a distance of 2.5 million light years from the Milky Way, it’s hard to believe that Andromeda is our closest neighbouring galaxy. But despite the huge distance between these two elliptical entities ...

MIAMI, July 21, 2026 /PRNewswire/ -- For decades, astronomers have cast galaxy mergers as the universe's ultimate relationship drama: two galaxies collide, chaos erupts, black holes awaken and star ...