Dark matter is hypothesized to outweigh "ordinary matter" in the universe by a factor of five. That means all the stuff we ...

A massive clump of dark matter in the Perseus galaxy cluster is linked to its core by a bridge of dark matter, evidence of a ...

The image was published as part of the 35th anniversary celebrations of the NASA/ESA Hubble Space Telescope, which was ...

The halo is more extended that astronomers originally thought, and contains enough hydrogen gas to resolve the problem of the ...

As part of ESA/Hubble's 35th anniversary celebrations, the European Space Agency (ESA) is sharing a new image series ...

ODST released in 2009, gamers from around the world have been calling for the Halo franchise to explore other game genres, ...

Hubble’s 35‑year celebration brings a vibrant reimagining of the Sombrero Galaxy, revealing hidden dust lanes and far‑flung ...

The fast-moving gas cloud could help explain the so-called missing satellite problem, if the object is what scientists think ...

Gravity from both galaxies pulls on each other, and when you get out beyond the dark halo of a galaxy like ours, the velocities of small galaxies drops off. The astronomers from Deason’s team ...