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.

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, Europe’s Milky Way–mapping spacecraft, shut down earlier this year. It was arguably the most important—and most overlooked—astronomy project of the 21st century.

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

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 ...

The Milky Way’s halo of stars as seen by Gaia (left), and how it would look if a merger happened in the ancient past. Image: Halo stars: ESA/Gaia/DPAC, T Donlon et al. 2024; Background Milky Way ...

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 ...

Gaia, the Milky Way's cartographer By Vahé Ter Minassian Published on July 23, 2022, at 10:00 pm (Paris), updated on July 23, 2022, at 10:00 pm. 10 min read Lire en français. Subscribers only.

Astronomers using the Gaia space telescope have located two ancient streams of stars that helped the Milky Way galaxy grow and evolve more than 12 billion years ago. CNN values your feedback 1.

Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is ...

Scientists have unlocked one of the solar system's many secrets from an unexpected source: a planetarium show.

Large-scale map (330,000 light years side length) of the density of the 217 million stars from the Gaia DR3 XP sample in Galactocentric Cartesian co-ordinates.