This galaxy is made of 99.99% dark matter About 85 percent of the mass of the universe consists of mysterious stuff known as dark matter, but a galaxy called… Read More
Podcast: Astrophysicist Katie Mack explains the universe to journalist Glenn Fleishman We’d all like to know more about the universe, and on Jan. 13, Dr. Katie Mack, a postdoctoral researcher of dark… Read More
