The Milky Way is only as massive as it is because of collisions and mergers with other galaxies. This is…
About 8-11 billion years ago, a dwarf galaxy merged with the Milky Way, adding 50 billion solar masses of stars,…
The Milky Way is older than astronomers thought, or part of it is. A newly-published study shows that part of…
New research has revealed previously unknown wispy structures in the Milky Way disk that could offer clues about the history…
In 2005 astronomers found a dense grouping of stars in the Virgo constellation. It looked like a star cluster, except…
Modern professional astronomers aren't much like astronomers of old. They don't spend every suitable evening with their eyes glued to…