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.

So how many stars are there? Given all of the above, astronomers estimate that the Milky Way contains around 100 billion ...

Astronomers have discovered a surprisingly "pristine" red giant with the lowest concentration of heavy elements ever seen in ...

The Andromeda galaxy lies just beyond (...OK, about 2.5 million light-years beyond) our galaxy, the Milky Way. These galaxies are more than just neighbors: They're gravitationally bound. And for the ...

For years, astronomers have predicted a dramatic fate for our galaxy: a head-on collision with Andromeda, our nearest large galactic neighbor. This merger—expected in about 5 billion years—has become ...

Every one of us is unique and important, but at the same time, we’re a microscopic part of something that’s beyond ...

What does the Milky Way look like? Sometimes, the billions of stars comprising our home galaxy appear especially vibrant during “Milky Way season” as the band arcs across the night sky. The reason has ...

The Milky Way's core will be visible to stargazers in the southern hemisphere, including Tennessee, this month and throughout August. No special equipment is needed to view the galaxy, just a dark sky ...

James Webb Space Telescope captures stunning images of Sagittarius B2, a massive star-forming region near the Milky Way galaxy’s center.

The Milky Way is our home galaxy with a disc of stars that spans more than 100,000 light-years. While the Milky Way is generally always visible from Earth, certain times of year are better for ...

Every one of us is unique and important, but at the same time, we’re a microscopic part of something that’s beyond ...