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.

GS-z13-1, marks the earliest sign yet spotted of the era of cosmic reionization at 330 million years after the Big Bang.

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 ...

Astronomers have detected a previously unknown giant molecular cloud (GMC) at the midpoint of the Galactic Bar Dust Lanes ...

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 ...

Spiral galaxy J2345−0449, 947 million light-years away from us in the constellation of Aquarius, is a very unusual object ...

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

Astronomers have made an exciting discovery near the center of our Milky Way galaxy—long, thin “space tornadoes” made of ...