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

The spiral galaxy 2MASX J23453268−0449256 is located nearly 1 billion light-years away from Earth, and measures about three ...

They have now hit upon a jackpot as they detected oxygen in a new world. However, this world is not in our Solar System, in ...

Astronomers have at last identified what’s believed to be the edge of the Milky Way ... encompasses Earth, such as where and how many galaxies there are that surround the Milky Way.

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

Astronomers say they have traced a mysterious pulsing in the Milky Way to a surprising source: a dead star locked in a dance ...

Breathtaking photos of this month's total lunar eclipse capture a blood red moon and star-studded Milky Way over NOIRLab's ...

A stunning new discovery has revealed a massive spiral galaxy, located nearly 1 billion light-years away, that is doing ...

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

A strange energy source at the center of the Milky Way may be a new type of dark matter. Scientists found that hydrogen gas ...