Europe's star-mapping Gaia space observatory has entered its retirement orbit, after gathering valuable cosmic data for more ...

The European Space Agency’s space-based observatory known as Gaia is leaving behind a legacy of stunning discoveries that changed what we know about the universe. John Yang reports.

Gaia, Europe’s Milky Way–mapping spacecraft, shut down earlier this year. It was arguably the most important—and most ...

Just last week, for instance, the Hayden Planetarium at the American Museum of Natural History (AMNH) in New York City ...

The European Space Agency (ESA) and its Gaia space observatory recently faced an unexpected challenge. Over a million miles (1.5 million kilometers) from Earth, this technological marvel was struck ...

Ga­ia’s im­age of the Milky Way ESA/Gaia/DPAC, CC BY-SA 3.0 IGO. The European Space Agency (ESA) has released the most detailed catalog of our galaxy, using data from the Gaia mission launched ...

On Thursday, mission specialists at the European Space Agency sent Gaia, which is low on fuel, into orbit around the sun, and switched it off after more than a decade of service to the world’s ...

Astronomers at the University of Hawaii uncovered black hole events so packed with energy, they were the biggest explosions ...

“ENTs are different beasts,” study lead author and astronomer Jason Hinkle explained in an accompanying statement. “Not only are ENTs far brighter than normal tidal disruption events, but they remain ...

Launched in 2013 by the European Space Agency (ESA), ... The observatory is called Gaia. And, like so many good things, you wouldn’t really miss it until it’s gone—and now it is.

Gaia space observatory bids farewell after a decade of mapping the stars After more than a decade of mapping billions of stars across the Milky Way and beyond, a groundbreaking spacecraft is retiring.