Three black holes were discovered in the core of the nearby galaxy NGC 6240 by scientists at the University of Gottingen. Find out how they did it, and what it means for our understanding of the story of our universe. (3:30 min read)
Learn how human understanding of the Milky Way has evolved, as well as some new insights into the formation of the Milky Way Galaxy
Find out how researchers at Princeton are pinning down how fast our universe is expanding using gravitation waves.