Dark matter is so pervasive throughout galaxies that its presence explains the stability and motion of stars in systems such as the Milky Way. For example, current models indicate that our galaxy is ...

Long strands of glowing gas stretch behind a distant galaxy, dotted with pockets of newborn stars. The shape looks almost ...

Using the Hubble Space Telescope, astronomers have discovered what seems to be a galaxy that is the most heavily dominated by ...

It's 99 percent dark matter, a new study explains.

But new research has found the strongest candidate yet. The first author is Dayi (David) Li, a post-doctoral fellow in ...

The young galaxy cluster existed about 12.8 billion years ago and has an estimated mass 20 trillion times that of the sun ...

Dark matter doesn’t emit, absorb, or reflect light. It’s invisible but supposedly makes up 85% of the universe’s mass. Because it’s so abundant, astronomers believe it should explain many unsolved ...

Views of a massive galaxy cluster Abell 2256 have been captured by NASA’s Chandra X-ray Observatory, ESA’s XMM-Newton and three radio telescopes (LOFAR, the GMRT and the VLA). See a composite of all ...

Scientists using a trio of some of the world’s most powerful observatories, the Hubble Space Telescope, ESA’s Euclid, and the Subaru Telescope, have pulled back the curtain on a ghost galaxy that is ...

"JADES-ID1 is giving us new evidence that the universe was in a huge hurry to grow up." ...

In the vast tapestry of the universe, most galaxies shine brightly across cosmic time and space. Yet a rare class of galaxies ...

New X-ray imaging method maps sound waves, shocks, bubbles and cooling gas in galaxy clusters, revealing stronger black hole feedback in groups. (Nanowerk News) Galaxy clusters are the most massive ...