New data from the star-mapping Gaia satellite are helping scientists unlock the mystery of our Milky Way galaxy's spiral arms. Recently published studies exploring the Early Data Release 3 (EDR3 ...

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 will host a media briefing on Monday, June 13, beginning at 4 a.m. EDT (0800 GMT) to share the latest data from its Milky Way-charting Gaia mission. You can watch the ...

Gaia’s all-sky view of our Milky Way galaxy and neighboring galaxies, based on measurements of nearly 1.7 billion stars in the mission’s first two years of taking data.

Stars pepper Gaia’s all-sky view of our Milky Way Galaxy and neighboring galaxies in this image based on the measurement of nearly 1.7 billion stars.

The Milky Way just got a little more crowded. The European Space Agency’s Gaia spacecraft has mapped more than a billion stars in the galaxy with unprecedented accuracy and detail — and it has ...

Astronomers bid an emotional farewell to Gaia, expressing their gratitude for its more than decade-long mission that gave us groundbreaking insights into our home galaxy, the Milky Way.

GAIA's all-sky view shows the Milky Way and neighboring galaxies. ESA/Gaia/DPAC. The European Space Agency just released a new catalog, but it's not full of the latest fashions.

Astronomers observing a short-lived evolutionary phase of dying stars have concluded that parts of the Milky Way are much older than previously thought. Using data from the Gaia mission, a team of ...

With the third data release of the European Space Agency's Gaia space mission, astronomers gained access to improved measurements for 1.8 billion stars, which provides a vast amount of data for ...

“We are sitting inside the Milky Way,” says Timo Prusti, Gaia’s project scientist. “It’s like a forest: you see lots of trees, but you don’t know what the forest looks like because you ...