New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.

For this first step, they did not attempt to fully recreate an entire complex galaxy. Instead, they built a simple toy model containing only two components: a large fraction of fuzzy dark matter ...

Timothy Ferris in Seeing in the Dark A ... From this simple observation, soon repeated for other starry nebulae, it became clear that the Milky Way was only one star system (or galaxy) among ...

Pinwheel Galaxy. Its swirling spiral arms display a high rate of star formation and host six detected supernovae. This image was captured with the Department of Energy-fabricated Dark Energy ...

The new group, designated CGG-z4, hosts two optically dark star-forming galaxies. The finding was detailed in a research paper published Jan. 9 on the pre-print server arXiv. Galaxy groups are the ...

Scientists highlighted "interesting regions" labelled A to E in the "largest photomosaic ever" made by Hubble Space Telescope, as shown in the photo ... galaxy that once collided with Andromeda E ...

The introduction of imaginary numbers was a surprising moment for many of us in school. Dealing with regular maths daily was already challenging, but now we had to grasp the concept of the truly ...