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 ...

Add Yahoo as a preferred source to see more of our stories on Google. This composite image maps matter in the galaxy cluster 1E 0657-556. Two pink clumps in the image contain most of the "normal," or ...

Researchers suggest that dark matter might subtly color light red or blue as it passes through, revealing traces of its existence. Using a network-like model of particle connections, they argue that ...

Dark matter may not have needed a calm, cold start to help build the universe. That is the challenge raised by new work from researchers at the University of Minnesota Twin Cities and Université ...