Astronomers at the University of Michigan have discovered a new satellite of the Andromeda Galaxy (M31), the Milky Way's ...

Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...

The Big Wheel, discovered using the James Webb Space Telescope, formed just 2 billion years after the big bang - surprisingly ...

Astronomers have discovered strong evidence for the closest supermassive black hole outside of the Milky Way galaxy. This ...

A Swarm of Dwarf Galaxies Buzz Around Our Milky Way's Twin Imagine the Milky Way and Andromeda as two massive aircraft ...

One star is captured into a tight orbit around the black hole, while the other is flung outward at extreme velocities - often ...

This appears to be the closest supermassive black hole outside our Milky Way galaxy, according to a report that's appearing in The Astrophysical Journal. While scientists think that most galaxies ...

A team of Harvard astrophysicists discovered a supermassive black hole at the center of the Large Magellanic Cloud, the Milky ...

The Andromeda galaxy, seen here by NASA’s Spitzer space telescope, is the closest large galaxy to the Milky Way — but it seems to have evolved in a much different way, new Hubble data suggests.

A star has been spotted shooting away from the heart of our galaxy at around 500 kilometres per second, giving astronomers ...