South Pole Telescope (IMAGE) University of Chicago Caption Since 2007 UChicago researchers have used the South Pole Telescope in their attempt to help solve the cosmological mystery of dark energy. Little is known about this force, other than that it works against gravity and appears to have sped up the expansion of the universe. Credit Keith Vanderline Usage Restrictions News organizations may use this image in connection with news reports about the University of Chicago's Kavli Institute for Cosmological Physics and the South Pole Telescope. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.