It drives the movements of stars and galaxies, but dark matter is invisible. While it remains a colossal mystery, a study ...

A long-simmering disagreement over the universe’s present-day expansion rate shows no signs of resolution, leaving experts ...

European astronomers have carried out multi-wavelength radio observations of a radio galaxy designated 3C 111. Results of the ...

Euclid has opened a new window to the cosmos with its first deep sky data release, revealing millions of galaxies, ...

The space telescope's image of a odd-looking spiral galaxy is, in reality, two distant galaxies overlapping each other.

The observation of titanic jets emerging from the supermassive black hole at the heart of a distant galaxy could be a grim ...

At the far right, between the middle and top of the image, are galaxies interacting with each other. Galaxy clusters are also seen near the bottom center, where features that are smeared into arcs ...

It is invisible and it does not interact with matter or light ... Dark matter is thought to pull galaxies together, while dark energy pushes them apart. During the first nine or so billion ...

The space observatory can effectively peer back in time to the beginning of a mysterious era called Cosmic Dawn, or the first few hundred million years after the big bang when the first galaxies ...

NEW YORK — A European space telescope launched to explore the dark universe has released a trove of new data on distant galaxies. The images and other information released Wednesday by the ...