An artistic representation of what a giant cosmic jet the size of the distance between the Milky Way and Andromeda could look like. Author provided, CC BY-SA There is a supermassive black hole at the ...

Astronomers detected a black hole displaced nearly a kiloparsec from the center of a dwarf galaxy 230 million light-years away. Unlike most, it is actively feeding and producing radio jets, making it ...

The Andromeda galaxy lies just beyond (...OK, about 2.5 million light-years beyond) our galaxy, the Milky Way. These galaxies are more than just neighbors: They're gravitationally bound. And for the ...

A new study of super-fast-moving stars suggests that they were accelerated by a monster black hole that's been lurking unseen in the galaxy next door. This appears to be the closest supermassive black ...

A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor. Composed by NASA and international space partners, the image combines data from ...

A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor. Composed by NASA and international space partners, the image combines data from ...

Astronomers combined datasets across the entire energy spectrum to create the composite image seen above. The newest glimpses at Andromeda are based on composite data collected by an international ...

(CN) — For years, astronomers have believed the Milky Way was on a collision course with our largest galactic neighbor Andromeda — a cosmic event expected to unfold in about 5 billion years. However, ...

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?