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

From Gaia’s map, more than 13,000 peer-reviewed studies have already emerged, and many have concerned the fundamental structure and deep history of the Milky Way.

We know black hole mergers occur because we can detect the resulting gravitational waves. But when trying to piece together ...

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

Chinese researchers examining European data find freshly formed stars rotate much faster than their predecessors.

Learn about the new research that changes the estimates of the Milky Way’s demise.

By looking at the shifting of stars in photos from the New Horizons probe, astronomers have calculated its position in the ...

They explored how the Milky Way, Andromeda, and their significant satellite galaxies, like M33 and the Large Magellanic Cloud (LMC), interact gravitationally. Possible future MW-M31 orbits.

Astronomers have located a rare exoplanet on the edge of the Milky Way.

Goodnight Gaia. The European Space Agency star-tracking satellite ceased operations on Wednesday, Jan. 15, 2025, after 12 ...

“Gaia, the European Space telescope that's been operating for the last 10 years or so, really was able to home in very well on the motion of Andromeda and the Large Magellanic Cloud, and M33 for that ...