Astronomers have discovered what they are calling the largest-known structure in the universe. Named "Quipu" after an Incan ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

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

Astronomers have identified what could be the largest structure ever observed in the known universe—a vast network of galaxy ...

Around 50 million years ago, a blue dwarf galaxy shot through the center of an enormous galaxy more than twice the size of ...

The Bullseye galaxy earned its nickname thanks to its wild number of rings. A smaller galaxy shot through its heart 50 ...

Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

The Bullseye is now confirmed to have nine rings, eight of which are visible to Hubble. Researchers confirmed the existence ...

In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic ...

So how well do you know the Milky Way? Let's test your knowledge of our galaxy's size, age, speed and more with the 15 ...

The giant jet flips the script on the origins of these structures, which were once thought to be linked only to extremely ...

NASA's Hubble Space Telescope spotted a cosmic Bullseye galaxy, revealing evidence of a rare kind of galactic collision.