Scientists observing the Centaurus galaxy cluster made an exciting breakthrough by discovering powerful streams of hot gas ...

XRISM has uncovered how galaxy clusters evolve—violent mergers create turbulence, preventing hot gas from cooling. This ...

Scientists used XRISM to detect hot gas flows in Centaurus Cluster, proving that galaxy collisions cause gas movement and ...

A mysterious phenomenon at the center of our galaxy could be the result of a different type of dark matter. Dark matter, the ...

and it also interacts with its buddy dwarf galaxy, the Small Magellanic Cloud. Those interactions shake up the stars and gas ...

The X-ray flash, named XRT 200515 ... by other unknown X-ray flashes the Chandra telescope has seen outside our galaxy, according to a paper published this month in the journal Monthly Notices ...

Scientists have finally solved a long-standing mystery: why do galaxy clusters stay hot? Thanks to a new discovery from the ...

Scientists suspect lightweight dark matter might ionize hydrogen in the Milky Way’s core. This could also explain the 511-keV ...

That's because this little galaxy is in the process of merging with ... Now, though, astronomers have a better sense of where to hunt for any X-ray, radio, or visible-light signatures that are ...