A collision between our Milky Way galaxy and the neighboring Andromeda galaxy, long considered inevitable, may be in question ...

However, the USTC researchers have revealed that dark matter halos hosting dwarf galaxies also exhibit halo bias, which is ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Galactic halos are both more massive and more complicated than scientists realized ...

The galaxy's halo of stars has been found to extend much further from the galaxy's center than expected and the stars within this halo seem to be surprisingly rich in heavy elements. This is the ...

A research team led by Prof. Wang Huiyuan from the University of Science and Technology of China (USTC) has made a ...

Astronomers have discovered more than 200 distant variable stars known as RR Lyrae stars in the Milky Way’s stellar halo. The most distant of these stars is more than a million light years from Earth, ...

In a new study, NASA's Hubble Space Telescope mapped Andromeda's halo — the envelope of gas that surrounds the galaxy — in unprecedented detail. The Milky Way and Andromeda are very close ...

A smaller galaxy wouldn't have lasted—there would be no gas left, just a collection of aging red stars." Though quite a bit worse for wear, the LMC still retains a compact, stubby halo of gas ...

A halo of stars surrounding a galaxy in the relatively nearby Virgo cluster is missing, possibly torn away by a neighboring galaxy or snuffed out by the collapse of the cluster itself. The victim ...