The Chandra X-ray Observatory view of galaxy group NGC 4839 has revealed that it is "plunging into the Coma galaxy cluster and leaving behind an extraordinary tail of superheated gas," according to ...

What is the biggest object in the universe? Learn more about the biggest objects in the universe, including galaxies, galaxy ...

NASA's SPHEREx is exploring the galaxies to answer the question of where we all come from while sending back jaw-dropping ...

NASA Chandra X-ray telescope data from galaxy cluster Abell 2146 showed a "shockwave that stretches for some 1.6 million miles," that was created by a collision with another cluster. Credit: ...

Scientists use the Frontier supercomputer to reveal how black holes and magnetic fields keep galaxy clusters stable for billions of years.

Lang (Perimeter Institute) 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 ...

Dark matter, mysterious invisible stuff that makes up most of the mass of galaxies including our own Milky Way, is confounding scientists again, with new observations of distant galaxies conflicting ...

A 50-million-light-year-long flow of hydrogen gas has been observed linking two tiny galaxies 50 million light-years away, ...

Astronomers have captured the clearest picture yet of how massive stars are born, revealing a dramatic interplay between ...

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 have long sorted galaxies into types based on their visible structure. Spiral galaxies, like our Milky Way, have ...

Although this spiral galaxy appears unremarkable from afar, NGC 7456 is bursting with newborn stars and glowing gas, ...