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

The JWST discovers the Zhúlóng spiral galaxy, as massive as the Milky Way, formed only a billion years after the Big Bang.

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.

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

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.

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

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 ...

The Milky Way was formed in two phases, according to the ESA. The first phase was the Big Bang which happened around 0.8 billion years ago, scientists believe. The aforementioned "thick disk ...

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 ...

These cool pieces of eye candy are really just the tip of the iceberg when it comes to what Gaia has provided. The ESA has an entire library of cool tools and features it’s created to let ...