A fluffy cluster of stars spilling across the sky may have a secret hidden in its heart: a swarm of over 100 stellar-mass black holes.

Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

Scientists using data from the European Space Agency’s Gaia mission have made a groundbreaking discovery: a massive exoplanet ...

ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.

The ESA’s Gaia mission mapped the positions and velocities of stars with extreme precision by measuring about one billion ...

The Gaia mission, launched by the European Space Agency, has completed a decade of groundbreaking astronomical observations, collecting over three trillion data points on two billion stars and ...

Gaia data has revealed a plethora of intriguing objects in our galaxy; in April 2024, scientists revealed the heaviest stellar-mass black hole in the Milky Way, just 2,000 light-years from Earth.

If a star orbits a black hole, it will appear from a distance to be orbiting empty space. Gaia projects the star’s orbit on a ...

Throughout its operational lifetime, Gaia studied almost 2 billion stars and other objects in and around the Milky Way. This vast stellar census contains details of star motions, luminosities ...

Gaia has also discovered a new breed of black hole, including one with a mass of nearly ... time a black hole of stellar origin this big has been spotted within the Milky Way.