In 2016, astronomers led by Pieter van Dokkum of Yale University published a bombshell paper claiming the discovery of a galaxy so dim, yet so broad and heavy, that it must be almost entirely ...

For years, a galaxy named Dragonfly 44 remained unnoticed despite its relative proximity to us here in the Milky Way. This wasn’t surprising, seeing as this galaxy is very dim. Last year, astronomers ...

A few years ago, scientists discovered an extremely puzzling galaxy that appeared to contain 10,000 times more dark matter than visible matter. The galaxy, named Dragonfly 44, was thought to be some ...

Scientists working with the Gemini North and Keck II telescopes have discovered a galaxy that's made from 99.99% dark matter. And they noticed it because it was "fluffy." Share on Facebook (opens in a ...

Image and amplification (in colour) of the ultra-diffuse galaxy Dragonfly 44 taken with the Hubble space telescope. Credit: Teymoor Saifollahi and NASA/HST At present, the formation of galaxies is ...