The moshing galaxies of Arp 105 dazzle in the Space Image of the Day Monday (March 10), which comes courtesy of Hubble.

This galaxy group has been further energized by ... The team has made a surprising discovery about the shockwave created by the colliding galaxies. They found that the shockwave behaves ...

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

A strange energy source at the center of the Milky Way may be a new type of dark matter. Scientists found that hydrogen gas ...

A blast of radio waves from the outskirts of an ancient galaxy challenges theories about what creates such bursts.

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