Today, we know the Andromeda galaxy, one of an estimated 6 to 20 trillion galaxies in our universe, is about 2.5 million light years away. While Andromeda, the closest galaxy to our Milky Way ...

Astronomers have identified the closest ever Einstein ring, a rare phenomenon where light from a further-off galaxy is bent by the gravity of a galaxy closer to Earth. The ring was previously ...

The structure, nicknamed the Bullseye, is almost five times larger than the Milky Way and roughly 200 times farther away than our neighbouring galaxy, Andromeda. The researchers also identified ...