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 ...

On Thursday 27 March, the European Space Agency (ESA) sent its last messages to the Gaia Spacecraft. They told Gaia to shut ...

The Small Magellanic Cloud, a dwarf galaxy about 200,000 light-years from the solar system, can be seen with the naked eye ...

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

The galactic center may hide an unsuspected population of stellar black holes, far denser than expected. A recent study ...

Scientists, using infrared images from NASA's Spitzer Space Telescope, have found that the Milky Way’s graceful spiral structure is primarily shaped by two arms extending from a central bar of stars.

After over a decade of stellar service, ESA’s Gaia spacecraft has been retired – but its legacy is just beginning. From ...

ESA’s Gaia mission ends after 12 years, having mapped 2 billion stars and reshaped astronomy. Its data will fuel discoveries ...

"The singularity is the most mysterious and problematic part of a black hole. It's where our concepts of space and time ...

Using a telescope at Kitt Peak, scientists have produced the largest 3D map of the universe ever made and uncovered ...