A new image from the Hubble Space Telescope shows a cosmic cloudscape, with clouds of dust and gas swirling in beautiful colors.

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) ...

Using the James Webb Space Telescope, astronomers have taken a detailed look at the supermassive black hole at the heart of ...

New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead ...