Learn how many stars there are in the Milky Way, and how astronomers count them.

Astronomers see no stars ejected from the center of our Milky Way galaxy, giving them important information about the Sgr A* black hole.

The Milky Way ripples like a vast cosmic wave. Gaia’s precise measurements reveal a colossal motion sweeping through the galaxy’s disc, an echo of something mysterious in our galaxy’s ancient past.

Catch a glimpse of the Andromeda Galaxy as it hangs high in the October night sky. Late October presents a perfect ...

Two Micron All-Sky Survey (2MASS) imagery was used to create a animation of the warp of the Milky Way galaxy. Credit: 2MASS, ...

The Milky Way galaxy is like a gigantic ocean gyre or eddy that spins and wobbles around its center. But our home galaxy also ...

You still may be able to spot the Milky Way's galactic center in the night sky across the US, but time is running out.

Time is running out to see the iconic band of stars that comprise the center of the Milky Way. Our galaxy is positively teeming with billions of billions of stars that routinely become bright and ...

Concentrated hydrogen in the galaxy’s spiral arms can be locked away in zircon crystals, providing startling clues about the ...

For 50 years, astronomers have been searching for evidence of winds emanating from the black hole Sagittarius A*. Now, they ...

The center of the Milky Way is super bright because it’s packed with a lot of stars and a supermassive black hole. That black ...