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 ...

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 ...

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.

An artist's impression of ESA's Gaia satellite observing the Milky Way. The background image of the sky is compiled from data from more than 1.8 billion stars.

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.

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 have studied the globular cluster 47 Tucanae extensively, but still have many questions. It may have an ...

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 ...

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.

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 ...

European Space Agency’s Gaia space observatory has revealed strange and unexpected tsunami-like starquakes – movements on stars’ crusts similar to earthquakes we experience on our planet.