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.

Astronomers have discovered a strangely tiny galaxy in the Milky Way’s neighborhood -- one with less than 1,000 stars held together by the smallest dark matter halo ever observed. The galaxy known as ...

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 ...

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 ...

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 ...

Galaxies come in all sorts of shapes and sizes. Sometimes, they're egg-shaped behemoths capable of crashing into one another like a slow-motion car wreck. Other times, they spin with unfathomable ...