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)
Does correcting an error in the way cosmologists applied Einstein's equations solve the mystery we call Dark Energy? (4:00 min read)
Scienctists have detected the gravitation waves from the collision between a neutron star and a black hole. Find out more about what this tells us about our place the universe.
Find out how researchers at Princeton are pinning down how fast our universe is expanding using gravitation waves.