They're called ghost particles for a reason. They're everywhere—trillions of them constantly stream through everything: our ...

In this visualization of stars observed by ESA's Gaia mission, the "frequency of the rotating and pulsating stars was ...

Hypervelocity stars have, since the 1920s, been an important tool that allows astronomers to study the properties of the ...

Gaia data reveals signs of planets forming around young stars by measuring stellar motion, identifying planetary, brown dwarf, and stellar companions in early star systems ...

On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its ...

On this artist impression of the Milky Way, based on data from the European Space Agency’s Gaia telescope, the location of the new star-formation map is shown. The star-formation region that is mapped ...

Scientists created the most accurate three-dimensional map of star-formation regions in our Milky Way galaxy, based on data from ESA's Gaia space telescope. This map will teach us more about these ...

One of the best places to study stars is inside "open clusters", which are groups of stars that formed together from the same material and are bound together through gravity. Open clusters act as ...

Loading external pages may require significantly more data usage than loading CBC Lite story pages. After more than a decade of delivering groundbreaking discoveries from the far reaches of our galaxy ...

After 11 years in solar orbit, the European Space Agency’s Gaia spacecraft has completed its mapping of our Milky Way Galaxy to a precision never before achieved. Surviving solar radiation and even ...

The European Space Agency’s Gaia spacecraft has officially ended its mission to map the Milky Way after 12 years of data collection. The spacecraft shut down its science operations on January 15, 2025 ...

The intrepid mapping mission has collected more than three trillion observations that'll change the way we see our neck of the cosmic woods. Reading time 3 minutes The European Space Agency’s Gaia ...