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

Comet 31/ATLAS is only the third interstellar object to ever be observed whizzing through the Solar System. While its origins ...

ESA. The Milky Way is still experiencing the effects of this vast, ancient stellar near miss, a story remembered in the current velocities and paths of the stars impacted.

A newly discovered interstellar comet could be older than the Solar System, and scientists think it carries secrets from the ...

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

Hubble’s crystal-clear look at NGC 1786—an ancient globular cluster tucked inside the Large Magellanic Cloud—pulls us 160,000 ...

ESA has published a colossal data release from the agency’s Gaia observatory, which is currently engaged in a mission to survey 1 billion stars orbiting in the Milky Way. The data has already ...

Annotated version of the all-sky view of stars in the Milky Way, based on the first year of observations from ESA’s Gaia satellite, from July 2014 to September 2015.

The ESA unveiled the map and uploaded a mesmerizing YouTube video of how stars move in the Milky Way. The ESA said: “The new Gaia data have allowed astronomers to trace the various populations ...

ESA's gamma-ray observatory Integral is making excellent progress, ... It is now poised to give astronomers their truest picture yet of recent changes in the Milky Way's chemical composition.

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 ...