These enormous, mysterious rings of radio emissions are nearly twice as old as our Milky Way. A new study, published in ...

When galaxies collide, it's not a gentle affair, but it does take millions of years. Over this time, the two massive star ...

ORCs are vast, faint rings of radio energy that surround galaxies and can be detected only in radio wavelengths of the ...

Webb Telescope detected a possible direct collapse black hole between two merging galaxies called the "Infinity Galaxy." ...

A vast river of neutral hydrogen bridges two galaxies that are beginning to enter the monstrous Virgo Cluster, and this structure is helping astronomers better understand our Milky Way's relationship ...

Astronomers from the University of Hawaii’s Institute for Astronomy have identified a new category of events that they found to be much more powerful than gamma-ray bursts, called extreme nuclear ...

A 50-million-light-year-long flow of hydrogen gas has been observed linking two tiny galaxies 50 million light-years away, giving astronomers a spectacular view of how galaxies attract, warp, and ...