Scientists using the XRISM satellite have uncovered a major clue to one of astronomy’s longstanding mysteries: why galaxy ...

"The Phoenix cluster has the largest reservoir of hot, cooling gas of any galaxy cluster — analogous to having the busiest ...

The James Webb Space Telescope has detected the missing cooling gas in the Phoenix Cluster, a galaxy cluster located 5.8 billion light-years away. Researchers used the Mid-Infrared Instrument ...

Galaxies speckle the heavens like stars in a stunning new photo of the deep and distant universe.

A galaxy cluster once thought to be “dead” is unexpectedly forming stars at an astonishing rate, challenging established ...

The European Space Agency released photos taken by its Euclid space telescope, revealing images of a stellar nursery and distant star clusters ... s new image of spiral galaxy NGC 6744.

With monster ultramassive black holes like Phoenix A and Ton 618 out there ... The brightest galaxies at the center of galaxy clusters, known as "Brightest Central Galaxies (BCGs)," would thus ...

The Perseus galaxy cluster taken by the Subaru Telescope at the Mauna Kea Observatory in Hawaii. The newly discovered subcluster is on the right. Overlaid in blue is the inferred distribution of ...

These clouds of radio energy are "radio relics" resulting from powerful shockwaves surging through the hot gas that fills the space amid a galaxy cluster. Credit: Kamlesh Rajpurohit et al / https ...

A recent study led by Elena Asencio, a University of Bonn Ph.D. student, has developed a fresh take about two extremely large galaxy clusters on the fast-track of a collision. The two clusters ...

Spring means it’s time to look up into our night sky and find one of the oldest objects in our galaxy: the M3 Cluster. NASA and other sky experts call this group of ancient stars “a truly ...

NASA released a sound from the black hole at the center of the Perseus galaxy cluster. What you'll hear is pressure waves emitted from the black hole causing ripples in the star cluster's hot gas.