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

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 ...

In the dense heart of the Milky Way, not only does a supermassive black hole reign, but a cloud of stellar-mass black holes ...

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

A red giant star and white dwarf orbit each other in this animation ... It is one of 10 known recurring novas in the Milky Way that erupt on timescales of less than a century.

Using the Green Bank Telescope (GBT), astronomers have detected a new giant molecular cloud in the Milky Way galaxy. The ...

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

A team of researchers used the James Webb Space Telescope to uncover new details about SIMP 0136, a free-floating planet in ...

After more than a decade mapping out our home galaxy, the Gaia space telescope was powered down and sent into "retirement orbit" around the Sun ... of nearly two billion stars to create a vast map of ...

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

Like our own galaxy, a supermassive black hole lurks at its center ... Way?” wondered Bagchi. This type of scenario could begin if the Milky Way’s black hole Sgr A* ever begins devouring a ...

A red giant star and white dwarf orbit each other in this animation of a nova similar to T Coronae Borealis. Image via ...