A slowly rotating stellar halo was the clue to a major and unknown event in the Milky Way's history that saw the spiral disc ...

By Will Dunham WASHINGTON, July 22 (Reuters) - Scientists are documenting a planetary system in the Milky Way galaxy that is so starkly dissimilar to our own solar system that they are struggling to ...

Astronomers have discovered a rare planetary system 71 light-years away, where a Jupiter-sized world orbits a brown dwarf, ...

The Milky Way may not always have faced the same direction. New simulations suggest its stellar disc could have swung through ...

They’re like galactic Russian dolls. Our solar system had a galaxy-sized appetite in its younger years. The Milky Way likely grew to its current size by gobbling up smaller solar systems, including a ...

Durham University researchers find cataclysmic direct hit with Gaia Sausage sent Milky Way into its current position ...

Unusually compared with many galaxies of similar mass, the Milky Way was allowed ample time to recover from the shock of the “sausage merger”. No other cosmic cataclysm appears to have shaken our ...

The Sun has been a powerful source of energy fueling the solar system for billions of years, but our host star may have had rough beginnings. A new study suggests the Sun migrated away from the center ...

(fotograzia/Moment/Getty Images) In the beginning, there was moosh. At the dawn of the Solar System, young Earth was little ...

Scientists are documenting a planetary system in the Milky Way that is so starkly dissimilar to our own solar system they are ...