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 ...

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

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

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

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

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 ...

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

Researchers conducted the first-ever near-infrared analysis of an extragalactic recurrent nova and found it is one of the ...

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

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

The CMZ is a region of clouds rich in dust and molecular gas that roils around the galactic nucleus. It measures up to 2,000 ...