New supercomputer simulations suggest the Milky Way could be surrounded by dozens more faint, undetected satellite ...

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.

Related: 4 big Milky Way mysteries the next Gaia mission data dump may solve. The June 13 data release is set to supercharge this research as it contains new, previously unavailable information.

Astronomers have been aware of cosmic vampires, dead stars that hungrily strip plasma from victim stars, for some time. New ...

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.

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 ...

The Gaia mission of the European Space Agency (ESA) has officially ceased its scientific operations after 12 years of service. This spacecraft, dedicated to mapping the Milky Way, has exhausted its ...

A monster exoplanet as big as 10 times the size of Jupiter has emerged from the stellar gas and dust surrounding a young star ...

This is Gaia's third big data delivery since it launched in 2013. Spacecraft: ESA/ATG medialab; Milky Way: ESA/Gaia/DPAC; CC BY-SA 3.0 IGO. Acknowledgement: A. Moitinho.

Image: Halo stars: ESA/Gaia/DPAC, T Donlon et al. 2024; Background Milky Way and Magellanic Clouds: Stefan Payne-Wardenaar The region of interest in the Gaia data is the Milky Way’s inner ...

ESA has taken a “galactic census” of the Milky Way, unveiling the second major data release from the Gaia mission. The data release provides the most detailed map of our home galaxy, which ...

We are not alone—at least as a galaxy. About 50 dwarf galaxies surround the Milky Way.But when its intense gravity inevitably draws them to venture too close, they will probably be annihilated.