Gas cloud collisions during galaxy mergers compress interstellar material, triggering new star formation, as observed in interacting systems studied by NASA and reported by Universe Today.

Astronomers combined data from NASA’s JWST and Chandra X-ray Observatory to create a stunning new image of two merging spiral ...

Astronomers report that the Champagne Cluster is actually two galaxy clusters in the process of merging, based on X-ray, optical, and spectroscopic observations published in 2025 ...

Three merging galaxies host three active black holes, offering rare insight into galaxy and black hole growth.

On Friday, to mark the second anniversary of operations of the James Webb Space Telescope, NASA released a breathtaking new cosmic image of two galaxies merging together. The telescope, which launched ...

Three supermassive black holes igniting at once in a single system is one of the most extreme feeding frenzies the universe ...

Two massive galaxy clusters are slamming into each other, and for once astronomers are not reconstructing the crash from the ...

Astronomers have spotted three merging galaxies where all central black holes are actively feeding and radio bright, ...

Astronomers have confirmed the first known triple system in which all three galaxies host actively feeding, radio-bright ...

In the most extensive survey of its kind ever conducted, a team of scientists have found an unambiguous link between the presence of supermassive black holes that power high-speed, ...

A newly revealed cosmic image shows two galaxy clusters colliding as one. Nicknamed the Champagne Cluster, it offers rare ...

Astronomers from the Sloan Digital Sky Survey (SDSS) have announced that they have developed a new tool to find otherwise-hidden galaxy mergers in data from the Mapping Nearby Galaxies at Apache Point ...