Computer simulations carried out by astronomers from the University of Groningen in collaboration with researchers from Germany, France and Sweden show that most of the (dark) matter beyond the Local ...

Our Galaxy, Andromeda and their companion dwarf galaxies form the Local Group. Most of the mass in and around it is believed to be dark matter rather than gas or stars, so its distribution must be ...

(A) Dark matter distribution in our neighborhood in the Universe, the so-called Local Group of galaxies. The two large dark matter halos correspond to those of the Milky Way and Andromeda galaxy; (B) ...

American astronomer Edwin Hubble (after whom the Hubble Space Telescope is named) coined the term “Local Group” for the galaxies he had identified as moving through space with the Milky Way. The term ...

Galaxies and clusters are the ensembles of stars and other astronomical objects bound together by gravitational forces. Galaxies are ordered into galaxy groups, which are in turn organised into ...

The largest sample of galaxy groups ever detected has been presented by a team of international astronomers using data from the James Webb Space telescope (JWST) in an area of the sky called COSMOS ...

Two thousand one hundred galaxies have been added to the census of the Virgo Cluster, one of the nearest and most extensively ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. When will the Milky Way collide with the Andromeda Galaxy?

Using observations from Chile, astronomers have logged nearly 50 extremely faint dwarf systems — including so-called "ghost galaxies" — around three larger galaxies, adding new data to a major ...

This article predates the current owners of Science Blog. It has not been reviewed under the current editorial process and is kept as part of the archive. A high-resolution colour image showing the ...

"Become an even smaller baby."That one sentence started the story of the universe with baby Sol.In parts ①〜③, we traced the ...

What you'll discover in this article ・A new survey of the Virgo cluster has more than doubled the number of galaxies in this ...