Astronomers bid an emotional farewell to Gaia, expressing their gratitude for its more than decade-long mission that gave us ...

But recently astronomers have used data collected by the European Space Agency’s Gaia spacecraft to detect three previously unknown black holes and, it turns out, are the closest known to Earth.

After more than ten years in space, the European Space Agency (ESA) has officially said goodbye to its Gaia spacecraft. On 27 March 2025, Gaia was powered down and sent into a quiet orbit around the ...