Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

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 ...

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

Some fast-moving stars within the Milky Way have been traced back to the Large Magellanic Cloud (LMC). In a preprint paper ...

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 ...

The feature in question is in the GD-1 stellar stream, a thin group of stars moving together on a shared trajectory through the Milky Way's all-encompassing halo. The GD-1 stellar stream has been ...

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 ...

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% ...

Although the origin of these particles remains unknown, an exciting possibility is that they may be the product of the annihilation of dark-matter particles in the halo of the Milky Way.

Galaxies like the Milky Way grow by merging with smaller galaxies ... form a so-called stellar halo: a sprawling, low-density cloud of stars that surrounds the bright central disk of a galaxy ...