NASA’s Hubble Space Telescope has peered deeper than ever into a quasar, revealing a bunch of “weird” features in its […] ...

The new composite image, which combines hundreds of photos from the Hubble Space Telescope, shows the Andromeda Galaxy with more than 200 million individually resolved stars.

The Milky Way's system of small, orbiting satellite galaxies is quite unusual, a new 12-year study of other galaxies in the ...

New research from the SAGA Survey, comparing the Milky Way with 101 similar galaxies, unveils how our galaxy differs ...

After hundreds of hours of observations, researchers captured a highly detailed image of a long filament of the "cosmic web" ...

"These two supernova remnants are helping us to better understand the dynamics of our home galaxy’s neighborhood," ...

Scientists have identified a colossal superstructure of dark matter, marking a significant advancement in cosmological ...

Also in the Local Group are a couple dozen dwarf galaxies. Several of these dwarf galaxies are satellite galaxies, orbiting around the large galaxies. The Milky Way has two prominent satellite ...

chiefly its mergers with smaller satellite galaxies. Hubble observations of the galaxy’s age, mass of stars and heavy-element abundance would help researchers test competing models of galaxy ...

The haloes of galaxies show clear evidence for this, says the paper; faint streams and shells of stars, left by merging satellite galaxies, and star clusters scattered in their outskirts.

By studying galaxies early in their formation and in ... Its environment -- meaning whether it is isolated or functioning as a satellite of a larger system -- is an important factor.

ABSTRACT We examine a possible connection between the anisotropic distribution of satellite galaxies around giant spiral galaxies and the evolution of satellite systems. The observed polar anisotropy ...