In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

"For the first time, we could trace the boundary between the gas residing in galaxies and the material contained within the ...

Scientists have captured the most detailed image of a cosmic filament which could lead to a better understanding of galaxy ...

The Phoenix Cluster's central galaxy is about 5.8 billion light-years away and should be mostly done with star formation. Many galaxy clusters have a region of hot gas in the intracluster medium (ICM) ...

After hundreds of hours of observations, researchers captured a highly detailed image of a long filament of the "cosmic web" ...

S agittarius A*, the supermassive black hole (SMBH) at the center of our galaxy, is not as placid as previously thought, new observations with the JWST reveal. Instead, the surrounding accretion disk ...

"So far, we know of about 100 billion," Zhou answered, "which means for each of the 8 billion people on Earth, there is an ...

G alaxy LEDA 1313424 is a beauty. It is 2.5 times the size of the Milky Way and has something no other galaxy has: A series ...

To comply with Trump's executive order about DEI, a federally funded telescope project has altered the biography of its ...