We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms. By that metric, the ESA’s Gaia mission is a resounding success. The spacecraft gave us ...

The core of the Milky Way in Sagittarius low in the south over ... years from its center—it's impossible to get a face-on view of it. Instead, we see it as an arc of light across the night ...

And, if the timing is right, you might even see a hazy belt stretched across the sky—the starry, dusty core of our very own ...

The intrepid mapping mission has collected more than three trillion observations that'll change the way we see our neck of ...

From vibrant star-forming nebulae to supernova explosions, check out these 7 astonishing images of deep space shared by NASA.

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

This image shows the polarized view of the Milky Way black hole. The lines mark the orientation of polarization, which is related to the magnetic field around the shadow of the black hole.&nbsp ...

"Many people don't know what conditions to look for and what time of the month that they're able to see the Milky Way with their naked eye," he said. To capture the video's stunning visuals ...

The ESA will conduct technology tests for several weeks after Gaia’s observations end, before the spacecraft leaves its orbit ...

The Milky Way keeps its planets close to its chest. Stars in a thin, flat disk bisecting the galaxy have more planets on average than stars in a thicker, enveloping disk — and astronomers now ...

Every star that you see in the sky is part of the same enormous galaxy. Our solar system resides in a galaxy called the Milky Way, stuffed with between 100 billion and 400 billion other stars ...