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)
Cosmologist Adam Frank lists 5 big questions that cosmology needs to answer. Find out what they are and what the current state of thinking is on them.
Read about the latest discoveries about the oldest known galaxies, dark matter and the Big Bang.