A galaxy made of 99.94% to 99.98% dark matter immediately challenges and updates models for how dark matter works. It also sheds light on how the universe arrived at the large-scale distribution of ...

The universe is overrun with dark matter, outweighing the ordinary stuff that stars and planets are made of five-to-one. But ...

CDG-2 is believed to made up of 99% dark matter, which NASA said is “an invisible form of matter that does not reflect, emit, ...

A galaxy made almost entirely of dark matter, an elusive form of matter that doesn’t interact with light, was spotted by Hubble 250 million light-years from Earth.

Astronomers have detected a ghostly galaxy that is almost completely made of dark matter. The faint object was revealed by just four globular star clusters hiding in the Perseus cluster.

“The Euclid data clearly confirm the presence of the extremely faint, diffuse light of CDG-2, revealing the galaxy behind the ...

A new image from the James Webb Space Telescope by NASA gives a glimpse into a black hole within the Circinus Galaxy. The Circinus Galaxy is 13 million light-years from Earth. NASA said it's long been ...

NASA's Artemis II mission faces a delay as engineers discovered an issue with helium flow in the rocket's propulsion stage. This fault necessitates rolling the rocket back to the Vehicle Assembly ...

NASA telescopes have spotted a galaxy cluster 8.5 billion light-years away, the space agency announced Tuesday. It is the ...

Astronomers have used the James Webb Space Telescope to peer inside the heart of spiral galaxies, where young stars carve out glowing paths. The space observatory, named after a North Carolina native, ...

Astronomers using the James Webb Space Telescope have spotted the most distant “jellyfish galaxy” ever seen — a cosmic oddity streaming long, tentacle-like trails of gas and newborn stars as it speeds ...

A bonkers find from boffins has found a "galaxy crash" unlike any other seen before and it could end up feeding black holes. In an incredibly rare find, canny astronomers spotted a system made up of ...