Sometimes big things come in small packages, or so the saying goes. Such is the case with Segue 2, the name of a tiny galaxy near our own that is being called the "most lightweight" ever discovered.

An ultra-faint collection of 1,000 stars orbiting the Milky Way is the most lightweight galaxy ever discovered, scientists say. The dwarf galaxy known as Segue 2 is bound together by a tiny clump of ...

Observations of the ultra-faint galaxy Segue 2, using the W. M. Keck Observatory, determined its mass to be significantly lower than previously estimated, at approximately 1000 stars. Segue 2's low ...

Few scientific terms express a sense of sheer enormity more than the word “galaxy.” Galaxies are massively massive. They’re filled with more stars than any single person could count. They’re billions ...

The Local Group, containing approximately 85 gravitationally bound galaxies within ~10 million light-years, offers a unique opportunity to study galaxy evolution in detail, including interactions ...