We've known for over 30 years that there are other stellar systems in our galaxy, but we don't have any idea how many there ...

"Could our galaxy one day experience similar high-energy phenomena that will have serious consequences for the survival of ...

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

The final messages sent to Gaia will continue to be carried out into space as the observatory sleeps, and as data from it ...

Astrophysicists have teased a hellish potential future in which life on Earth is extinguished by deadly radiation from the ...

Ancient Greek theories on the Milky Way galaxy ranged from mythology to science, with ideas from Democritus, Aristotle and ...

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

The once-in-a-lifetime explosion of T Coronae Borealis, also known as the "Blaze Star" is still pending -- but the event will ...

Astronomers have uncovered a spiral galaxy nearly a billion light-years away that hosts a supermassive black hole launching ...

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

Scientists have gotten the best-ever view of 'space tornadoes' howling near the Milky Way's black hole. The cosmic twisters ...

Aterrifying glimpse of a possible fate for our galaxy, the Milky Way, has come to light thanks to the discovery of a cosmic ...