After more than a decade of service, the European Space Agency’s Gaia spacecraft has been powered down for good—closing one ...

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 ...

ESA shuts down Gaia spacecraft after more than a decade, leaving behind the most detailed legacy that will guide future ...

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

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

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

Astronomers studying a supermassive black hole at the center of a galaxy similar to our Milky Way may have just witnessed how ...

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

Astronomers have discovered a new giant molecular cloud (GMC) in the Milky Way, a finding that has expanded our understanding ...

A massive spiral galaxy with a giant black hole is shooting huge energy jets, something scientists thought only elliptical ...

Fast-moving stars in the Milky Way received a powerful kick from the Large Magellanic Cloud — and a central black hole might ...

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