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

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

For decades, scientists have worked to map the universe’s large-scale structure, testing cosmological models and ...

ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.

The Quipu superstructure is enormous, spanning 1.4 billion light years – and it could violate one of our fundamental ...

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

The new composite image, which combines hundreds of photos from the Hubble Space Telescope, shows the Andromeda Galaxy with more than 200 million individually resolved stars.

Visual observers and astrophotographers alike can find something amazing to observe along the plane of our galaxy.

Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

Scientists have created the first-ever 3D maps of star-forming molecular clouds near the Milky Way's supermassive black hole, ...

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 Hubble Space Telescope has captured this striking image of an unusual galaxy with a bullseye structure, as nine rings ...