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

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

"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 ...

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 ...

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 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 ...

The Milky Way is 13.5 billion years old and is thought ... In fact, the Gaia mission itself has revealed that our galaxy’s halo is full of debris from some massive dwarf galaxies—such as ...