Scientists are keen to get to the bottom of the dark matter puzzle because this phenomenon accounts for the vast majority of the "stuff" in the universe — about 85%, in fact. That means everything we ...

Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...

"This work provides the first detailed measurements of the magnetic fields in the Milky Way's X-ray emitting halo and ...

He adds, "This work provides the first detailed measurements of the magnetic fields in the Milky Way's X-ray emitting halo and uncovers new connections between star-forming activities and galactic ...

A new study claims to have discovered about 200 ancient stars in the Milky Way’s halo, the most ... [+] distant of which is more than a million light-years from Earth. That’s almost half the ...

This illustration shows the Milky Way galaxy's inner and outer halos. A halo is a spherical cloud of stars surrounding a galaxy. Disclaimer: AAAS and EurekAlert! are not responsible for the ...

This stunning image of NGC 6951 is captured by NASA's Hubble Telescope. It is a barred spiral galaxy located in the constellation Cepheus. It is located at a distance of about 75 million light-years ...

Physicists have proposed a solution to a long-standing puzzle surrounding the GD-1 stellar stream, one of the most well-studied streams within the galactic halo of the Milky Way. Physicists have ...

According to a new study, our Milky Way galaxy may have already begun colliding ... Although it was already known that the halo of gas surrounding the stars in a galaxy accounts for about 70% ...

The total mass of the Milky Way is estimated to be only two hundred ... additional to observable matter—distributed in a halo surrounding the disks of spiral galaxies. Without this dark matter ...

Galaxies like the Milky Way grow by merging with smaller galaxies over billions of years, unlike dwarf galaxies, which have long been thought to lack the heft to attract mass and grow in the same way.

When you point a telescope toward the Pegasus constellation, you can discover a scene where the Milky Way stars and distant ...