How is it that galaxies merge and collide but the universe is expanding and everything is moving away from everything else? Justin HammersleySterling Heights, Michigan Whether or not galaxies merge ...

Discover the fascinating world of hydroxyl megamasers, powerful cosmic lasers revealing secrets of distant galaxies and the universe's evolution.

Looking ahead: Future Euclid observations will enable scientists to watch how galaxy collisions spark bursts of star formation, fuel shrouded black holes, and unleash energetic feedback. According to ...

Using the MeerKAT telescope, South African scientists have detected a record-breaking radio laser from a distant galaxy, ...

Astronomers used AI to search 35 years of Hubble data and discovered over 1,300 rare cosmic anomalies hidden in plain sight.

South African astronomers have used the MeerKAT telescope to detect the most distant and powerful natural radio laser ever ...

Add Yahoo as a preferred source to see more of our stories on Google. A new idea suggests hidden supermassive black hole pairs could reveal themselves through repeating, magnified flashes of starlight ...

In my January 23, 2026, “The Universe” column, I wrote about some of the biggest bangs the universe has to offer: exploding stars, hiccupping magnetars, stellar disruptions and colliding black holes.

For nearly a century, astronomers have known that the universe is expanding. Most galaxies are carried outward with the flow ...

That the universe is expanding has been known for almost a hundred years now, but how fast? The exact rate of that expansion ...

Astronomers have long known the universe is expanding—but exactly how fast remains one of the biggest mysteries in cosmology. Different techniques for measuring the Hubble constant stubbornly disagree ...

This pretzel-shaped collection of galaxies is our Universe. And it's about to collide with another universe. It might be fascinating to watch, but we should probably be worried about what's going to ...