A terrifying glimpse at one potential fate of our Milky Way galaxy has come to light thanks to the discovery of a cosmic ...

A cosmic anomaly detected in a distant galaxy could portend a terrifying future for life in the Milky Way. The discovery suggests that our models of galactic evolution could be inaccurate.

After more than a decade of mapping the stars, the European spacecraft was shut down on Thursday. But its legacy lives on.

All good things come to an end—even the Milky Way. Our home galaxy’s demise isn’t estimated to occur for at least another 4 or 5 billion years, when astronomers believe it will start ...

Astronomers have discovered "space tornadoes" raging through the heart of the Milky Way in the vicinity of our galaxy's central supermassive black hole, Sagittarius A* (Sgr A*). The discovery ...

After more than a decade of charting the stars with extraordinary precision, the Gaia spacecraft has completed its mission.

To make this discovery, researchers traced the paths with ultra-fine precision of 21 stars on the outskirts of the Milky Way. These stars are traveling so fast that they will escape the ...

The black hole at the Milky Way’s heart neither slumbers nor sleeps. Instead, the ring of plasma surrounding it flickers constantly, punctuated by superbright flares, observations show.

Gaia’s goal was to create a 3D map of our entire galaxy, and so far it has revealed the structure of the Milky Way in the ... the Gaia team had to plan a way to safely end the mission without ...