Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A collision between ...

Hypervelocity stars have, since the 1920s, been an important tool that allows astronomers to study the properties of the ...

The Milky Way was once a textbook example of how a spiral galaxy should form and evolve. Now a wave of new observations and ...

The Milky Way has just been reconstructed in unprecedented detail, with artificial intelligence helping astronomers track the motions and histories of roughly 100 billion stars inside a single digital ...

Astronomers using the Green Bank Telescope spotted surprisingly cold, dense hydrogen clouds embedded inside the Milky Way’s vast, super-hot Fermi bubbles—structures thought to be created by a recent, ...

The best time to view the Milky Way in the Northern Hemisphere is from March to September. The Milky Way, our home galaxy containing 100-400 billion stars, was bright and vibrantly visible from ...

We cannot see or image the entire Milky Way galaxy, because we are located inside it. From Earth, we can observe only a portion of the galaxy, and when we look up at the dark, clear night sky from a ...

The Milky Way is our home galaxy with a disc of stars that spans more than 100,000 light-years. What you're looking at when the Milky Way is visible is the bright center of our galaxy with billions of ...

So it’s confession time: I’ve been lying to you. I’ve said on many occasions that our Milky Way galaxy has a flat disk (like in this column or this one). But it’s not really flat—not even for a ...

Are you wondering if you can see the Milky Way in Texas? There's still time. Here's what you need to know to see this phenomenon. The Milky Way is a vast spiral galaxy, composed of stars, dust, and ...