Astronomers spot quadruple stars that may spark supernova explosions

The imaging of Sagittarius A*: A monumental scientific achievement. "More than 300 astronomers and hundreds of engineers and support staff from 60 institutions across 20 countries and regions on all seven continents made the observations, processed the data...."

Supernova Forensics: Eight Years Later, a Mysterious Stellar Explosion Is Still Revealing Secrets

Astronomers Map the Movement of White Dwarfs of the Milky Way