"Black holes are so stealthy that this one has been practically under our noses this whole time." ...

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Gaia was preceded in the 1980s and the 1990s by another satellite from the European Space Agency called Hipparcos. And Hipparcos was kind of like a proto-Gaia. It was doing the same thing—it was ...

Astronomers have discovered strong evidence for the closest supermassive black hole outside of the Milky Way galaxy. This ...

In 2011, a project that surveyed the Milky Way galaxy for exoplanets — which are planets beyond our solar system — spotted an intriguing signal: They found two objects traveling together through the ...

Astronomers uncover the closest supermassive black hole in the Large Magellanic Cloud, rewriting our understanding of ...

This week, based on a genetic study, researchers issued a recommendation that bison in Yellowstone National Park should be ...

To determine which explanation was more likely, astronomers reportedly looked through data from the Keck Observatory in Hawaii and the European Space Agency (ESA)’s Gaia satellite. If the ...

MEPs are urging the EU to finally build technological independence from the US after transatlantic relations nosedived over ...