What: New analyses using early observations from the European Space Agency’s Euclid mission examine how galaxy mergers ...

Most messages are press releases about astronomical discoveries—okay, scratch that; most of them are spam, but science announcements are an easy second place. But I also get questions from readers ...

Supermassive black holes rarely travel alone. Most large galaxies hide one at the center, and when galaxies collide, the two ...

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.

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

Battlefield Earth, widely considered one of the worst sci-fi movies ever made, is leaving Netflix at the end of February.

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

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 ...

For a single supermassive black hole, extremely strong lensing occurs only when a star lies almost exactly along the line of ...

Astronomers with the MeerKAT radio telescope uncover the universe's most distant hydroxyl gigamaser, revealing new insights into cosmic phenomena and paving the way for future discoveries. Explore how ...

Webb telescope data confirm a supermassive black hole fleeing its galaxy, carving a 200,000 light-year wake of new stars.

Researchers propose detecting tight supermassive black hole binaries via repeating light flashes from stars magnified by gravitational lensing as the pair orbits, offering a new way to spot these ...