A Michigan State University researcher saw X-rays coming from a black hole using the NASA Chandra X-Ray Observatory telescope ...

The spiral galaxy 2MASX J23453268−0449256 is located nearly 1 billion light-years away from Earth, and measures about three ...

In 1923, Edwin Hubble captured a pulsing star within the Andromeda Galaxy on ... time as we know it breaks down. A black hole devours material from its galaxy, and a border known as the event ...

Now that may sound big, but Sagittarius A* is small compared to other supermassive black holes. Take the one at the center of our neighbor the Andromeda galaxy, which has a diameter of 516 million ...

Supermassive black holes are the densest objects in the ... (That's almost six times the distance between the Milky Way and the Andromeda galaxy.) The largest jet discovered spans nearly 22 ...

Astronomers at the University of Michigan have discovered a new satellite of the Andromeda Galaxy (M31), the Milky Way’s closest major galactic neighbor, and it has broken the record for the ...

Ian Randall is Newsweek's Deputy Science Editor, based in Royston, U.K. His focus is reporting on science and health. He has covered archeology, geology, and physics extensively. Ian joined ...

And sometimes material falling into a black hole can be rerouted into two giant jets, firing in opposite directions out into the universe. The Milky Way (bottom) compared to the larger galaxy ...

Today, astronomers have measured the distance to the Andromeda Galaxy much more precisely; they find it to be about 2 1/2 million light years away. It is a majestic spiral-shaped galaxy ...