Since its launch in 2013, the Gaia mission has revolutionized the study of our Milky Way galaxy. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

ESA's Gaia space telescope now reveals that the most recent of these crashes took place billions of years later than we thought. The Milky Way has grown over time as other galaxies have approached ...

A study published in Astronomy & Astrophysics has identified four previously unknown primordial open cluster (OC) groups in ...

ESA's Gaia star surveying satellite launches European Space Agency starts to unfold atlas of 1 billion stars in 3D Carrying two telescopes, the spacecraft's mission was to map the Milky Way ...

Gaia found primordial Big Bang material in some stellar signatures, along with an abundance of metal in denizens at the Milky Way’s core. “Our galaxy is a beautiful melting pot of stars ...

Artist 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. It shows the total brightness and color ...

An artist’s impression of the Gaia spacecraft, the Milky Way in background. Illustration: Spacecraft: ESA/ATG medialab; Milky Way: ESA/Gaia/DPAC. Acknowledgement: A. Moitinho. Evidence of the ...

Gaia’s goal was to create a 3D map of our entire galaxy, and so far it has revealed the structure of the Milky Way in the greatest detail ever obtained. It has uncovered evidence that our galaxy ...

One spacecraft. The European Space Agency’s Gaia space observatory, which launched in 2013, has long surpassed its goal of charting more than a billion stars in the Milky Way (SN: 10/15/16).

On June 13, at 6 A.M. ET, astronomers around the world descended on the Gaia Archive: the landing Web page for every last bit of data from the European Space Agency’s (ESA’s) Milky Way ...

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Based on data from the European Space Agency’s Gaia mission, this study has found that many dwarf galaxies that were orbiting the Milky Way only a few billion years ago have ended up destroyed ...