In 2019, researchers detected gravitational waves that indicated that two black holes were merging. These were two fairly ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

This galactic collision might be more impactful than you think. Colombia’s president shares video of suspected US airstrike ...

Galaxies like our Milky Way grew through cascading mergers of smaller galaxies that began billions of years ago. The ancient ...

This infrared view offers the clearest look yet at how dwarf galaxies merge, evolve, trade gas and ignite waves of new stars.

Astronomers have long debated the role of galaxy mergers in powering active supermassive black holes. Now an unprecedented dataset of a million galaxies from the Euclid telescope provides evidence ...